Name: Alessandro Giannessi
Country: Italy
Birthdate: 30.05.90, 33 years
ATP ranking: 315
TOP ranking's position: 84 (24.07.17, 610 points)
Points: 167
Prize money: 1417227 $
Matches total: 860
Win: 452
%: 52.56 %
Country: Italy
Birthdate: 30.05.90, 33 years
ATP ranking: 315
TOP ranking's position: 84 (24.07.17, 610 points)
Points: 167
Prize money: 1417227 $
Matches total: 860
Win: 452
%: 52.56 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2024 | 4/14 | 0/5 | 4/9 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2023 | 36/33 | 3/5 | 33/27 | 0/0 | 0/0 | 0/1 | 0/0 |
| 2022 | 20/30 | 2/1 | 18/28 | 0/0 | 0/0 | 0/1 | 0/0 |
| 2021 | 31/27 | 0/2 | 31/20 | 0/4 | 0/0 | 0/1 | 0/0 |
| 2020 | 10/14 | 0/1 | 10/12 | 0/1 | 0/0 | 0/0 | 0/0 |
| 2019 | 36/28 | 1/2 | 35/24 | 0/1 | 0/0 | 0/1 | 0/0 |
| 2018 | 30/25 | 1/2 | 27/22 | 0/0 | 0/0 | 2/1 | 0/0 |
| 2017 | 27/30 | 2/5 | 22/19 | 3/5 | 0/0 | 0/1 | 0/0 |
| 2016 | 37/26 | 13/8 | 19/14 | 4/2 | 1/1 | 0/1 | 0/0 |
| 2015 | 35/17 | 0/0 | 34/16 | 1/1 | 0/0 | 0/0 | 0/0 |
| 2014 | 30/27 | 3/3 | 27/24 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2013 | 26/29 | 2/5 | 23/20 | 1/4 | 0/0 | 0/0 | 0/0 |
| 2012 | 22/27 | 1/1 | 20/23 | 0/1 | 0/1 | 1/1 | 0/0 |
| 2011 | 59/28 | 4/2 | 55/26 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2010 | 26/25 | 1/4 | 24/20 | 1/1 | 0/0 | 0/0 | 0/0 |
| 2009 | 19/20 | 7/5 | 12/14 | 0/1 | 0/0 | 0/0 | 0/0 |
| 2008 | 4/5 | 3/3 | 0/1 | 0/0 | 0/0 | 1/1 | 0/0 |
| 2007 | 0/2 | 0/0 | 0/2 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2006 | 0/1 | 0/1 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| TOTAL | 452/408 | 43/55 | 394/321 | 10/21 | 1/2 | 4/9 | 0/0 |
| perc. % | 52.56 % | 43.88 % | 55.1 % | 32.26 % | 33.33 % | 30.77 % | 0 % |
Alessandro Giannessi / scheduled / last
| no matches found |
Alessandro Giannessi form / surface: Clay
Alessandro Giannessi / surface: Clay
| 13.04.24 | q 1 | Marc-Andrea Huesler | Alessandro Giannessi | 6-3, 6-0 |  | match details |  Munich | Clay |
| 09.04.24 | 1st round | Calvin Hemery | Alessandro Giannessi | 6-4, 2-6, 6-2 | | match details |  Sarasota Challenger | Clay |
| 03.04.24 | 2nd round | Aidan Mayo | Alessandro Giannessi | 3-6, 7-64, 6-3 | | match details |  Mexico City | Clay |
| 01.04.24 | 1st round | Alessandro Giannessi | Vasek Pospisil | 6-3, 3-6, 6-4 |  | match details | ||
| 25.03.24 | qual. | Evan Furness | Alessandro Giannessi | 7-67, Alessandro Giannessi - retired | | match details |  Naples Challenger | Clay |
| 24.03.24 | q 1 | Alessandro Giannessi | Fabrizio Karol Pio | 6-3, 6-1 | | match details | ||
| 20.03.24 | 2nd round | Timofey Skatov | Alessandro Giannessi | 6-1, 6-2 | | match details |  Zadar Challenger | Clay |
| 18.03.24 | 1st round | Alessandro Giannessi | Corentin Moutet | 5-7, 6-2, 6-4 | | match details | ||
| 13.03.24 | 2nd round | Matteo Martineau | Alessandro Giannessi | 6-4, 7-62 | | match details |  Szekesfehervar Challenger | Clay |
| 11.03.24 | 1st round | Alessandro Giannessi | Mathias Bourgue | 6-4, 1-6, 6-4 | | match details | ||
| 03.02.24 | q 1 | Luciano Darderi | Alessandro Giannessi | 6-2, 6-0 | | match details |  Cordoba | Clay |
| 30.01.24 | 1st round | Gianluca Mager | Alessandro Giannessi | 6-3, 1-1, Alessandro Giannessi - retired | | match details |  Piracicaba Challenger | Clay |
| 23.01.24 | 1st round | Juan Manuel Cerundolo | Alessandro Giannessi | 1-6, 6-4, 6-1 | | match details |  Punta Del | Clay |
| 28.11.23 | 1st round | Henrique Rocha | Alessandro Giannessi | 6-4, 6-75, 6-2 | | match details |  Maia Challenger | Clay |
| 22.11.23 | 2nd round | Albert Ramos-Vinolas | Alessandro Giannessi | 6-1, 0-6, 7-63 | | match details |  Valencia Challenger | Clay |
| 21.11.23 | 1st round | Alessandro Giannessi | Miguel Damas | 6-2, 6-4 | | match details | ||
| 14.11.23 | 1st round | Facundo Diaz Acosta | Alessandro Giannessi | 6-1, 7-5 | | match details | Montevideo Challenger | Clay |
| 08.11.23 | 2nd round | Daniel Elahi Galan | Alessandro Giannessi | 6-4, 6-3 | | match details |  Lima 2 | Clay |
| 07.11.23 | 1st round | Alessandro Giannessi | Oriol Roca Batalla | 1-6, 6-3, 6-2 | | match details | ||
| 02.10.23 | 1st round | Pablo Llamas Ruiz | Alessandro Giannessi | 6-3, 6-1 | | match details | Lisbon Challenger | Clay |
| 27.09.23 | 2nd round | Duje Ajdukovic | Alessandro Giannessi | 7-5, 5-7, 6-2 | | match details | Braga Challenger | Clay |
| 26.09.23 | 1st round | Alessandro Giannessi | Gastao Elias | 7-62, 6-4 | | match details | ||
| 19.09.23 | 1st round | Bor Artnak | Alessandro Giannessi | 3-0, Alessandro Giannessi - retired | | match details |  Sibiu Challenger | Clay |
| 07.09.23 | 1/4 | Hugo Gaston | Alessandro Giannessi | 3-6, 6-1, 6-0 | | match details | Seville Challenger | Clay |
| 06.09.23 | 2nd round | Alessandro Giannessi | Daniel Rincon | 7-63, 6-0 | | match details | ||
| 04.09.23 | 1st round | Alessandro Giannessi | Jaume Antoni Munar Clar | 6-73, 6-3, 6-4 | | match details | ||
| 31.08.23 | 2nd round | Rudolf Molleker | Alessandro Giannessi | 6-3, 6-1 | | match details | Como Challenger | Clay |
| 29.08.23 | 1st round | Alessandro Giannessi | Jelle Sels | 6-2, 6-2 | | match details | ||
| 02.08.23 | 2nd round | Federico Delbonis | Alessandro Giannessi | 6-3, 5-7, 6-1 | | match details |  San Marino | Clay |
| 31.07.23 | 1st round | Alessandro Giannessi | Moez Echargui | 1-6, 6-4, 6-4 | | match details | ||
| 18.07.23 | 1st round | Stefano Napolitano | Alessandro Giannessi | 6-4, 6-2 | | match details | Trieste Challenger | Clay |
| 05.07.23 | 2nd round | Gauthier Onclin | Alessandro Giannessi | 6-4, 6-1 | | match details | Milan Challenger | Clay |
| 03.07.23 | 1st round | Alessandro Giannessi | Francesco Maestrelli | 6-3, 3-6, 6-1 | | match details | ||
| 22.06.23 | 1/4 | Alexandre Muller | Alessandro Giannessi | 3-6, 6-3, 6-1 | | match details | Montechiarugolo Challenger | Clay |
| 21.06.23 | 2nd round | Alessandro Giannessi | Oriol Roca Batalla | 6-4, 6-2 | | match details | ||
| 20.06.23 | 1st round | Alessandro Giannessi | Maxime Janvier | 6-4, 4-6, 6-1 | | match details | ||
| 12.06.23 | 1st round | Matteo Gigante | Alessandro Giannessi | 6-3, 1-2, Alessandro Giannessi - retired | | match details | Perugia Challenger | Clay |
| 21.05.23 | qual. | Vitaliy Sachko | Alessandro Giannessi | 7-5, 6-2 | | match details |  Geneva | Clay |
| 20.05.23 | q 1 | Alessandro Giannessi | Denis Yevseyev | 3-6, 6-4, 6-2 | | match details | ||
| 16.05.23 | 1st round | Jan Choinski | Alessandro Giannessi | 6-3, 4-6, 6-4 | | match details | Oeiras 4 | Clay |
| 15.05.23 | qual. | Alessandro Giannessi | Daniel Michalski | 6-4, 6-4 | | match details | ||
| 14.05.23 | q 1 | Alessandro Giannessi | Alberto Barroso Campos | 6-1, 6-3 | | match details | ||
| 10.05.23 | 2nd round | Benoit Paire | Alessandro Giannessi | 7-5, 7-5 | | match details | Francavilla Challenger | Clay |
| 09.05.23 | 1st round | Alessandro Giannessi | Marco Trungelliti | 3-6, 6-3, 6-4 | | match details | ||
| 04.05.23 | 2nd round | Thanasi Kokkinakis | Alessandro Giannessi | 6-4, 6-2 | | match details | Cagliari Challenger | Clay |
| 03.05.23 | 1st round | Alessandro Giannessi | Francesco Passaro | 3-6, 7-67, 6-4 | | match details | ||
| 02.05.23 | qual. | Alessandro Giannessi | Alexander Erler | 7-5, 6-1 | | match details | ||
| 21.04.23 | 1/4 | Benjamin Hassan | Alessandro Giannessi | 3-6, 6-4, 7-68 | | match details | Florianopolis Challenger | Clay |
| 20.04.23 | 2nd round | Alessandro Giannessi | Pedro Boscardin Dias | 6-4, 6-4 | | match details | ||
| 19.04.23 | 1st round | Alessandro Giannessi | Juan Bautista Otegui | 6-2, 6-3 | | match details | ||
| 09.04.23 | q 1 | David Jorda Sanchis | Alessandro Giannessi | 3-6, 7-61, 6-3 | | match details | Madrid Challenger | Clay |
| 03.04.23 | 1st round | Fabio Fognini | Alessandro Giannessi | 6-2, 6-1 | | match details | Estoril | Clay |
| 02.04.23 | qual. | Alessandro Giannessi | Fabian Marozsan | 4-6, 7-65, 6-4 | | match details | ||
| 01.04.23 | q 1 | Alessandro Giannessi | Oleksii Krutykh | 1-6, 7-5, 6-1 | | match details | ||
| 28.03.23 | 1st round | Giulio Zeppieri | Alessandro Giannessi | 6-1, 6-1 | | match details | Sanremo Challenger | Clay |
| 26.03.23 | fin | Alessandro Giannessi | Sebastian Ofner | 6-4, 5-7, 7-66 | | match details | Zadar Challenger | Clay |
| 25.03.23 | 1/2 | Alessandro Giannessi | Arthur Cazaux | 6-3, 6-4 | | match details | ||
| 24.03.23 | 1/4 | Alessandro Giannessi | Zsombor Piros | 7-66, 6-2 | | match details | ||
| 23.03.23 | 2nd round | Alessandro Giannessi | Nino Serdarusic | 7-64, 6-3 | | match details | ||
| 21.03.23 | 1st round | Alessandro Giannessi | Manuel Guinard | 6-4, 6-2 | | match details | ||
| 16.03.23 | 2nd round | Flavio Cobolli | Alessandro Giannessi | 6-4, 6-0 | | match details | Szekesfehervar Challenger | Clay |
| 14.03.23 | 1st round | Alessandro Giannessi | Nikolas Sanchez-Izquierdo | 6-4, 6-73, 6-4 | | match details | ||
| 09.03.23 | 2nd round | Fabian Marozsan | Alessandro Giannessi | 7-65, 6-2 | | match details |  Antalya Challenger | Clay |
| 07.03.23 | 1st round | Alessandro Giannessi | Lucas Gerch | 7-64, 6-1 | | match details | ||
| 17.01.23 | 1st round | Camilo Ugo Carabelli | Alessandro Giannessi | 6-4, 3-6, 6-1 | | match details | Piracicaba Challenger | Clay |
| 14.01.23 | 1/2 | Jesper De Jong | Alessandro Giannessi | 6-4, 5-7, 6-1 | | match details | Tigre 2 | Clay |
| 13.01.23 | 1/4 | Alessandro Giannessi | Mariano Navone | 6-76, 7-5, 6-1 | | match details | ||
| 11.01.23 | 2nd round | Alessandro Giannessi | Pedro Boscardin Dias | 6-2, 6-2 | | match details | ||
| 10.01.23 | 1st round | Alessandro Giannessi | Juan Ignacio Londero | 3-4, Juan Ignacio Londero - retired | | match details | ||
| 07.01.23 | 1/2 | Juan Manuel Cerundolo | Alessandro Giannessi | 6-3, 7-5 | | match details | Tigre 1 | Clay |
| 06.01.23 | 1/4 | Alessandro Giannessi | Lautaro Midon | 7-5, 6-1 | | match details | ||
| 05.01.23 | 2nd round | Alessandro Giannessi | Andrey Chepelev | 6-4, 6-4 | | match details | ||
| 04.01.23 | 1st round | Alessandro Giannessi | Luciano Emanuel Ambrogi | 7-5, 6-0 | | match details | ||
| 29.11.22 | 1st round | Alexandar Lazarov | Alessandro Giannessi | 6-3, 6-4 | | match details | Maia Challenger | Clay |
| 22.11.22 | 1st round | Nikolas Sanchez-Izquierdo | Alessandro Giannessi | 6-2, 6-4 | | match details | Valencia Challenger | Clay |
| 21.11.22 | qual. | Alvaro Lopez San Martin | Alessandro Giannessi | 6-4, 6-0 | | match details | ||
| 20.11.22 | q 1 | Alessandro Giannessi | Alberto Barroso Campos | 7-5, 6-1 | | match details | ||
| 18.10.22 | 1st round | Federico Coria | Alessandro Giannessi | 6-4, 6-2 | | match details |  Coquimbo 2 | Clay |
| 11.10.22 | 1st round | Remy Bertola | Alessandro Giannessi | 6-3, 6-76, 6-4 | | match details | Rio De | Clay |
| 05.10.22 | 2nd round | Alexandre Muller | Alessandro Giannessi | 5-7, 6-0, 6-2 | | match details | Campinas Challenger | Clay |
| 04.10.22 | 1st round | Alessandro Giannessi | Yannick Hanfmann | 4-6, 7-62, 7-62 | | match details | ||
| 20.09.22 | 1st round | Pablo Andujar | Alessandro Giannessi | 6-4, 4-6, 6-2 | | match details | Genova Challenger | Clay |
| 30.08.22 | 1st round | Kenny de Schepper | Alessandro Giannessi | 4-6, 6-3, 1-0, Alessandro Giannessi - retired | | match details | Como Challenger | Clay |
| 18.08.22 | 2nd round | Pedro Cachin | Alessandro Giannessi | 6-1, 6-2 | | match details |  Santo Domingo | Clay |
| 16.08.22 | 1st round | Alessandro Giannessi | Roberto Quiroz | 1-6, 5-1, Roberto Quiroz - retired | | match details | ||
| 26.07.22 | 1st round | Giovanni Fonio | Alessandro Giannessi | 6-3, 6-4 | | match details | San Benedetto | Clay |
| 19.07.22 | 1st round | Nicolas Kicker | Alessandro Giannessi | 6-4, 6-3 | | match details |  Tampere Challenger | Clay |
| 11.07.22 | 1st round | Sebastian Ofner | Alessandro Giannessi | 6-3, 6-3 | | match details | Verona Challenger | Clay |
| 15.06.22 | 2nd round | Jozef Kovalik | Alessandro Giannessi | 6-1, 6-3 | | match details | Parma Challenger | Clay |
| 13.06.22 | 1st round | Alessandro Giannessi | Salvatore Caruso | 6-3, 3-1, Salvatore Caruso - retired | | match details | ||
| 08.06.22 | 2nd round | Borna Coric | Alessandro Giannessi | 6-2, 7-66 | | match details | Perugia Challenger | Clay |
| 07.06.22 | 1st round | Alessandro Giannessi | Nerman Fatic | 7-5, 0-0, Nerman Fatic - retired | | match details | ||
| 31.05.22 | 1st round | Jaume Antoni Munar Clar | Alessandro Giannessi | 6-2, 6-2 | | match details | Forli 6 | Clay |
| 23.05.22 | 1st round | Borna Gojo | Alessandro Giannessi | 6-4, 6-73, 6-74, 7-64, 6-4 | | match details |  Paris | Clay |
| 19.05.22 | qual. | Sebastian Ofner | Alessandro Giannessi | 6-4, 1-6, 6-2 | | match details | ||
| 18.05.22 | q 2 | Alessandro Giannessi | Thiago Agustin Tirante | 7-5, 6-2 | | match details | ||
| 16.05.22 | q 1 | Alessandro Giannessi | Mats Moraing | 7-66, 6-0 | | match details | ||
| 08.05.22 | q 1 | Matteo Martineau | Alessandro Giannessi | 6-2, 4-6, 6-4 | | match details | Bordeaux Challenger | Clay |
| 26.04.22 | 1st round | Denis Yevseyev | Alessandro Giannessi | 7-65, 3-2, Alessandro Giannessi - retired | | match details | Rome 1 | Clay |
| 13.04.22 | 1st round | Marco Trungelliti | Alessandro Giannessi | 6-2, 2-6, 6-3 | | match details | Madrid Challenger | Clay |
| 10.04.22 | fin | Gastao Elias | Alessandro Giannessi | 7-64, 6-1 | | match details | Oeiras 2 | Clay |
| 09.04.22 | 1/2 | Alessandro Giannessi | Jozef Kovalik | 2-6, 6-4, 7-5 | | match details | ||
| 08.04.22 | 1/4 | Alessandro Giannessi | Christopher O'Connell | 6-4, 6-4 | | match details | ||
| 07.04.22 | 2nd round | Alessandro Giannessi | Fabian Marozsan | 5-7, 7-64, 6-4 | | match details | ||
| 05.04.22 | 1st round | Alessandro Giannessi | Luciano Darderi | 4-6, 7-65, 6-1 | | match details | ||
| 02.04.22 | 1/2 | Gastao Elias | Alessandro Giannessi | 6-3, 6-3 | | match details | Oeiras 1 | Clay |
| 01.04.22 | 1/4 | Alessandro Giannessi | Giulio Zeppieri | 1-6, 7-5, 6-3 | | match details | ||
| 30.03.22 | 2nd round | Alessandro Giannessi | Riccardo Bonadio | 6-2, 6-1 | | match details | ||
| 28.03.22 | 1st round | Alessandro Giannessi | Nicola Kuhn | 6-3, 6-4 | | match details | ||
| 19.03.22 | 1/2 | Manuel Guinard | Alessandro Giannessi | 7-5, 6-1 | | match details | Roseto Degli | Clay |
| 18.03.22 | 1/4 | Alessandro Giannessi | Zsombor Piros | 6-2, 7-5 | | match details | ||
| 17.03.22 | 2nd round | Alessandro Giannessi | Andrea Pellegrino | 6-4, 6-2 | | match details | ||
| 15.03.22 | 1st round | Alessandro Giannessi | Nicolas Alvarez Varona | 3-6, 6-1, 6-3 | | match details | ||
| 10.03.22 | 2nd round | Lukas Rosol | Alessandro Giannessi | 6-3, 6-4 | | match details | Roseto Degli | Clay |
| 08.03.22 | 1st round | Alessandro Giannessi | Andrej Martin | 6-0, 2-6, 6-4 | | match details | ||
| 01.03.22 | 1st round | Lukas Rosol | Alessandro Giannessi | 7-67, 3-6, 7-62 | | match details | Gran Canaria | Clay |
| 19.02.22 | q 1 | Felipe Meligeni Alves | Alessandro Giannessi | 6-2, 6-4 | | match details | Santiago | Clay |
| 05.02.22 | q 1 | Hugo Dellien | Alessandro Giannessi | 7-63, 6-1 | | match details | Buenos Aires | Clay |
| 29.01.22 | q 1 | Juan Pablo Varillas | Alessandro Giannessi | 7-65, 6-2 | | match details | Cordoba | Clay |
| 23.10.21 | 1/4 | Alessandro Giannessi | Raul Brancaccio | 6-3, 6-76, 6-1 | | match details | Losinj Challenger | Clay |
| 23.10.21 | 1/2 | Carlos Taberner | Alessandro Giannessi | 6-4, 6-3 | | match details | ||
| 20.10.21 | 2nd round | Alessandro Giannessi | Franco Agamenone | 7-67, 3-6, 6-1 | | match details | ||
| 19.10.21 | 1st round | Alessandro Giannessi | Robin Haase | 7-64, 7-5 | | match details | ||
| 05.10.21 | 1st round | Matteo Arnaldi | Alessandro Giannessi | 2-6, 3-1, Alessandro Giannessi - retired | | match details | Napoli Challenger | Clay |
| 22.09.21 | 2nd round | Jesper De Jong | Alessandro Giannessi | 6-3, 7-5 | | match details | Braga Challenger | Clay |
| 21.09.21 | 1st round | Alessandro Giannessi | Kaichi Uchida | 6-4, 6-1 | | match details | ||
| 29.07.21 | 2nd round | Vitaliy Sachko | Alessandro Giannessi | 6-78, 6-4, 6-0 | | match details | Trieste Challenger | Clay |
| 28.07.21 | 1st round | Alessandro Giannessi | Rudolf Molleker | 4-6, 6-2, 6-1 | | match details | ||
| 21.07.21 | 2nd round | Richard Gasquet | Alessandro Giannessi | 7-64, 6-4 | | match details | Umag | Clay |
| 20.07.21 | 1st round | Alessandro Giannessi | Jiri Vesely | 7-64, 7-5 | | match details | ||
| 19.07.21 | qual. | Alessandro Giannessi | Renzo Olivo | 7-65, 6-1 | | match details | ||
| 18.07.21 | q 1 | Alessandro Giannessi | Rudolf Molleker | 6-3, 7-5 | | match details | ||
| 11.07.21 | qual. | Maximilian Marterer | Alessandro Giannessi | 3-6, 6-3, 7-5 | | match details | Hamburg | Clay |
| 10.07.21 | q 1 | Alessandro Giannessi | Tobias Kamke | 6-3, 6-4 | | match details | ||
| 15.06.21 | 1st round | Jacopo Berrettini | Alessandro Giannessi | 6-1, 7-60 | | match details | Forli Challenger | Clay |
| 30.05.21 | 1st round | Kei Nishikori | Alessandro Giannessi | 6-4, 6-74, 6-3, 4-6, 6-4 | | match details | Paris | Clay |
| 28.05.21 | qual. | Alessandro Giannessi | Francisco Cerundolo | 6-4, 3-6, 6-2 | | match details | ||
| 26.05.21 | q 2 | Alessandro Giannessi | Tallon Griekspoor | 7-5, 7-5 | | match details | ||
| 25.05.21 | q 1 | Alessandro Giannessi | Ruben Bemelmans | 6-4, 6-75, 7-5 | | match details | ||
| 17.05.21 | qual. | Kamil Majchrzak | Alessandro Giannessi | 6-4, 6-3 | | match details | Lyon | Clay |
| 16.05.21 | q 1 | Alessandro Giannessi | Peter Polansky | 6-3, 6-4 | | match details | ||
| 12.05.21 | 2nd round | Daniel Elahi Galan | Alessandro Giannessi | 6-74, 7-67, 6-4 | | match details | Heilbronn Challenger | Clay |
| 10.05.21 | 1st round | Alessandro Giannessi | Prajnesh Gunneswaran | 7-64, 6-1 | | match details | ||
| 04.05.21 | 1st round | Juan Pablo Varillas | Alessandro Giannessi | 6-4, 7-5 | | match details | Biella 5 | Clay |
| 01.05.21 | 1/2 | Juan Manuel Cerundolo | Alessandro Giannessi | 4-6, 6-4, 7-5 | | match details | Rome 2 | Clay |
| 30.04.21 | 1/4 | Alessandro Giannessi | Thanasi Kokkinakis | 7-5, 3-6, 7-5 | | match details | ||
| 28.04.21 | 2nd round | Alessandro Giannessi | Jay Clarke | 6-2, 6-4 | | match details | ||
| 26.04.21 | 1st round | Alessandro Giannessi | Guido Andreozzi | 6-3, 6-3 | | match details | ||
| 14.04.21 | 1st round | Blaz Rola | Alessandro Giannessi | 6-4, 2-0, Alessandro Giannessi - retired | | match details |  Belgrade Challenger | Clay |
| 12.04.21 | qual. | Alessandro Giannessi | Maxime Janvier | 3-6, 6-4, 6-4 | | match details | ||
| 11.04.21 | q 1 | Alessandro Giannessi | Marko Topo | 2-6, 7-64, 6-2 | | match details | ||
| 04.04.21 | q 1 | Nikola Milojevic | Alessandro Giannessi | 6-74, 6-3, 4-1, Alessandro Giannessi - retired | | match details | Marbella | Clay |
| 03.04.21 | 1/2 | Gianluca Mager | Alessandro Giannessi | 6-74, 6-4, 6-1 | | match details | Marbella Challenger | Clay |
| 02.04.21 | 1/4 | Alessandro Giannessi | Martin Klizan | 6-0, 6-3 | | match details | ||
| 31.03.21 | 2nd round | Alessandro Giannessi | Pedro Sousa | 6-4, 6-3 | | match details | ||
| 29.03.21 | 1st round | Alessandro Giannessi | Joao Domingues | 6-3, 6-4 | | match details | ||
| 24.03.21 | 2nd round | Nerman Fatic | Alessandro Giannessi | 7-64, 5-7, 7-66 | | match details | Zadar Challenger | Clay |
| 22.03.21 | 1st round | Alessandro Giannessi | Riccardo Bonadio | 7-5, 7-5 | | match details | ||
| 06.03.21 | 1/4 | Carlos Gimeno Valero | Alessandro Giannessi | 6-2, 4-6, 6-2 | | match details | Gran Canaria | Clay |
| 03.03.21 | 2nd round | Alessandro Giannessi | Nikolas Sanchez-Izquierdo | 7-69, 7-5 | | match details | ||
| 02.03.21 | 1st round | Alessandro Giannessi | Emilio Nava | 6-2, 6-3 | | match details | ||
| 24.02.21 | 2nd round | Steven Diez | Alessandro Giannessi | 7-66, 7-68 | | match details | Gran Canaria | Clay |
| 23.02.21 | 1st round | Alessandro Giannessi | Stefano Napolitano | 6-0, 6-2 | | match details | ||
| 06.02.21 | 1/2 | Jaume Antoni Munar Clar | Alessandro Giannessi | 6-0, 2-0, Alessandro Giannessi - retired | | match details | Antalya 2 | Clay |
| 05.02.21 | 1/4 | Alessandro Giannessi | Alejandro Tabilo | 5-7, 7-5, 6-1 | | match details | ||
| 03.02.21 | 2nd round | Alessandro Giannessi | Mohamed Safwat | 6-3, 6-4 | | match details | ||
| 02.02.21 | 1st round | Alessandro Giannessi | Daniel Altmaier | 7-62, 6-2 | | match details | ||
| 30.01.21 | 1/4 | Jaume Antoni Munar Clar | Alessandro Giannessi | 3-6, 6-2, 6-0 | | match details | Antalya Challenger | Clay |
| 29.01.21 | 2nd round | Alessandro Giannessi | Roberto Cid Subervi | 6-3, 6-2 | | match details | ||
| 28.01.21 | 1st round | Alessandro Giannessi | Jozef Kovalik | 6-4, 7-5 | | match details | ||
| 27.10.20 | 1st round | Gianluca Mager | Alessandro Giannessi | 2-6, 6-1, 6-2 | | match details | Marbella Challenger | Clay |
| 17.10.20 | 1/2 | Pedro Sousa | Alessandro Giannessi | 6-4, 6-4 | | match details | Lisbon Challenger | Clay |
| 16.10.20 | 1/4 | Alessandro Giannessi | Dimitar Kuzmanov | 6-4, 6-3 | | match details | ||
| 14.10.20 | 2nd round | Alessandro Giannessi | Paolo Lorenzi | 7-5, 6-3 | | match details | ||
| 12.10.20 | 1st round | Alessandro Giannessi | Roberto Cid Subervi | 6-3, 5-7, 6-2 | | match details | ||
| 07.10.20 | 2nd round | Maxime Janvier | Alessandro Giannessi | 6-4, 3-6, 6-2 | | match details | Barcelona Challenger | Clay |
| 06.10.20 | 1st round | Alessandro Giannessi | Peter Polansky | 6-2, 6-4 | | match details | ||
| 23.09.20 | q 2 | Marc Polmans | Alessandro Giannessi | 5-7, 6-4, 6-3 | | match details | Paris | Clay |
| 21.09.20 | q 1 | Alessandro Giannessi | Danilo Petrovic | 6-4, 7-68 | | match details | ||
| 02.10.20 | 1/4 | Borna Gojo | Alessandro Giannessi | 6-3, 6-3 | | match details | Split Challenger | Clay |
| 01.10.20 | 2nd round | Alessandro Giannessi | Bradley Klahn | 7-67, 3-0, Bradley Klahn - retired | | match details | ||
| 29.09.20 | 1st round | Alessandro Giannessi | Nino Serdarusic | 6-4, 6-4 | | match details | ||
| 12.09.20 | q 1 | Hugo Dellien | Alessandro Giannessi | 7-5, 6-4 | | match details | Rome | Clay |
| 24.08.20 | 1st round | Tomas Martin Etcheverry | Alessandro Giannessi | 6-3, 4-6, 6-1 | | match details | Trieste Challenger | Clay |
| 19.08.20 | 2nd round | Federico Gaio | Alessandro Giannessi | 6-4, 6-2 | | match details | Todi Challenger | Clay |
| 17.08.20 | 1st round | Alessandro Giannessi | Maxime Janvier | 6-2, 6-3 | | match details | ||
| 15.02.20 | q 1 | Joao Domingues | Alessandro Giannessi | 7-5, 3-1, Alessandro Giannessi - retired | | match details | Rio de | Clay |
| 08.02.20 | q 1 | Facundo Bagnis | Alessandro Giannessi | 6-3, 5-7, 6-1 | | match details | Buenos Aires | Clay |
| 01.02.20 | q 1 | Facundo Diaz Acosta | Alessandro Giannessi | 6-1, 3-6, 6-2 | | match details | Cordoba | Clay |
| 31.01.20 | 1/4 | Marco Cecchinato | Alessandro Giannessi | 6-3, 7-5 | | match details | Punta Del | Clay |
| 30.01.20 | 3rd round | Alessandro Giannessi | Pedro Sousa | 4-6, 6-3, 6-4 | | match details | ||
| 28.01.20 | 2nd round | Alessandro Giannessi | Tomas Martin Etcheverry | 5-7, 7-5, 6-4 | | match details | ||
| 11.10.19 | 1/4 | Hugo Dellien | Alessandro Giannessi | 6-3, 6-1 | | match details | Santo Domingo | Clay |
| 10.10.19 | 3rd round | Alessandro Giannessi | Guido Andreozzi | 3-6, 6-6, Guido Andreozzi - retired | | match details | ||
| 09.10.19 | 2nd round | Alessandro Giannessi | Thiago Seyboth Wild | 6-1, 6-4 | | match details | ||
| 05.10.19 | 1/2 | Jozef Kovalik | Alessandro Giannessi | 6-3, 7-65 | | match details | Barcelona Challenger | Clay |
| 04.10.19 | 1/4 | Alessandro Giannessi | Filippo Baldi | 5-7, 6-0, 6-1 | | match details | ||
| 03.10.19 | 3rd round | Alessandro Giannessi | Filip Horansky | 7-66, 6-77, 6-4 | | match details | ||
| 02.10.19 | 2nd round | Alessandro Giannessi | Ivan Nedelko | 6-1, 6-4 | | match details | ||
| 26.09.19 | 3rd round | Philipp Kohlschreiber | Alessandro Giannessi | 4-6, 6-4, 6-3 | | match details | Florence Challenger | Clay |
| 25.09.19 | 2nd round | Alessandro Giannessi | Jules Okala | 6-3, 6-0 | | match details | ||
| 20.09.19 | 1/4 | Alejandro Davidovich Fokina | Alessandro Giannessi | 6-2, 6-1 | | match details | Biella Challenger | Clay |
| 19.09.19 | 3rd round | Alessandro Giannessi | Marco Trungelliti | 7-64, 6-1 | | match details | ||
| 17.09.19 | 2nd round | Alessandro Giannessi | Giacomo Dambrosi | 6-4, 6-4 | | match details | ||
| 11.09.19 | 2nd round | Pawel Juszczak | Alessandro Giannessi | 6-2, 6-0 | | match details |  Szczecin Challenger | Clay |
| 02.09.19 | 1st round | Viktor Galovic | Alessandro Giannessi | 6-0, 2-0, Alessandro Giannessi - retired | | match details | Genova Challenger | Clay |
| 31.08.19 | 1/2 | Facundo Mena | Alessandro Giannessi | 6-2, 1-6, 6-2 | | match details | Como Challenger | Clay |
| 30.08.19 | 1/4 | Alessandro Giannessi | Dmitry Popko | 7-66, 4-6, 6-4 | | match details | ||
| 29.08.19 | 3rd round | Alessandro Giannessi | Sebastian Ofner | 6-4, 6-2 | | match details | ||
| 28.08.19 | 2nd round | Alessandro Giannessi | Johan Sebastien Tatlot | 1-6, 6-4, 6-3 | | match details | ||
| 30.07.19 | 2nd round | Aleksandre Metreveli | Alessandro Giannessi | 4-6, 6-3, 6-4 | | match details | Sopot Challenger | Clay |
| 24.07.19 | 2nd round | Andrea Collarini | Alessandro Giannessi | 6-0, 6-2 | | match details |  Prague Challenger | Clay |
| 21.07.19 | fin | Renzo Olivo | Alessandro Giannessi | 5-7, 7-64, 6-4 | | match details | San Benedetto | Clay |
| 20.07.19 | 1/2 | Alessandro Giannessi | Andrej Martin | 6-73, 6-1, 7-68 | | match details | ||
| 19.07.19 | 1/4 | Alessandro Giannessi | Andrea Arnaboldi | 5-7, 6-3, 7-63 | | match details | ||
| 18.07.19 | 3rd round | Alessandro Giannessi | Manuel Guinard | 6-3, 4-6, 6-3 | | match details | ||
| 17.07.19 | 2nd round | Alessandro Giannessi | Christopher O'Connell | 7-64, 6-3 | | match details | ||
| 12.07.19 | 1/4 | Albert Ramos-Vinolas | Alessandro Giannessi | 6-2, 3-0, Alessandro Giannessi - retired | | match details | Perugia Challenger | Clay |
| 11.07.19 | 3rd round | Alessandro Giannessi | Facundo Bagnis | 6-4, 6-73, Facundo Bagnis - retired | | match details | ||
| 09.07.19 | 2nd round | Alessandro Giannessi | Mario Vilella Martinez | 6-79, 6-2, 6-3 | | match details | ||
| 19.06.19 | 2nd round | Julian Lenz | Alessandro Giannessi | 6-1, 6-4 | | match details | Parma Challenger | Clay |
| 07.06.19 | 1/4 | Andrea Vavassori | Alessandro Giannessi | 7-65, 6-1 | | match details | Poznan Challenger | Clay |
| 06.06.19 | 3rd round | Alessandro Giannessi | Daniel Masur | 7-64, 4-6, 6-3 | | match details | ||
| 05.06.19 | 2nd round | Alessandro Giannessi | Sumit Nagal | 7-5, 3-6, 6-3 | | match details | ||
| 20.05.19 | q 1 | Alexandre Muller | Alessandro Giannessi | 5-7, 7-67, 6-1 | | match details | Paris | Clay |
| 02.06.19 | fin | Alessandro Giannessi | Filippo Baldi | 7-5, 6-2 | | match details | Vicenza Challenger | Clay |
| 01.06.19 | 1/2 | Alessandro Giannessi | Gianluca Mager | 6-3, 6-3 | | match details | ||
| 31.05.19 | 3rd round | Alessandro Giannessi | Adrian Menendez-Maceiras | 6-2, 6-0 | | match details | ||
| 31.05.19 | 1/4 | Alessandro Giannessi | Marc Polmans | 6-4, 7-5 | | match details | ||
| 30.05.19 | 2nd round | Alessandro Giannessi | Federico Gaio | 6-3, 6-2 | | match details | ||
| 15.05.19 | 2nd round | Andrea Arnaboldi | Alessandro Giannessi | 6-4, 1-0, Alessandro Giannessi - retired | | match details | Lisbon Challenger | Clay |
| 20.04.19 | q 1 | Miomir Kecmanovic | Alessandro Giannessi | 6-3, 6-4 | | match details | Budapest | Clay |
| 04.04.19 | 3rd round | Roberto Marcora | Alessandro Giannessi | 6-2, 6-3 | | match details | Sophia Antipolis | Clay |
| 03.04.19 | 2nd round | Alessandro Giannessi | Oriol Roca Batalla | 7-5, 6-2 | | match details | ||
| 29.03.19 | 1/4 | Benoit Paire | Alessandro Giannessi | 5-7, 6-4, 7-67 | | match details | Marbella Challenger | Clay |
| 28.03.19 | 3rd round | Alessandro Giannessi | Raul Brancaccio | 4-6, 7-64, 6-3 | | match details | ||
| 26.03.19 | 2nd round | Alessandro Giannessi | Enzo Couacaud | 6-2, 5-7, 7-64 | | match details | ||
| 08.03.19 | 1/4 | Thomaz Bellucci | Alessandro Giannessi | 3-6, 6-4, 6-4 | | match details | Santiago Challenger | Clay |
| 07.03.19 | 3rd round | Alessandro Giannessi | Facundo Arguello | 4-6, 6-4, 6-1 | | match details | ||
| 05.03.19 | 2nd round | Alessandro Giannessi | Andrea Collarini | 7-65, 5-7, 6-4 | | match details | ||
| 27.02.19 | 1st round | Laslo Djere | Alessandro Giannessi | 7-65, 4-6, 6-4 | | match details | Sao Paulo | Clay |
| 24.02.19 | qual. | Alessandro Giannessi | Kimmer Coppejans | 6-4, 6-2 | | match details | ||
| 23.02.19 | q 1 | Alessandro Giannessi | Joao Souza | 7-65, 6-3 | | match details | ||
| 16.02.19 | q 1 | Juan Ignacio Londero | Alessandro Giannessi | 7-63, 6-1 | | match details | Rio de | Clay |
| 10.02.19 | qual. | Lorenzo Sonego | Alessandro Giannessi | 6-4, 3-3, Alessandro Giannessi - retired | | match details | Buenos Aires | Clay |
| 09.02.19 | q 1 | Alessandro Giannessi | Marco Trungelliti | 6-4, 6-1 | | match details | ||
| 07.02.19 | 2nd round | Diego Sebastian Schwartzman | Alessandro Giannessi | 6-74, 6-3, 6-0 | | match details | Cordoba | Clay |
| 05.02.19 | 1st round | Alessandro Giannessi | Thiago Seyboth Wild | 6-78, 7-5, 7-64 | | match details | ||
| 03.02.19 | qual. | Alessandro Giannessi | Paolo Lorenzi | 6-73, 6-4, 7-65 | | match details | ||
| 02.02.19 | q 1 | Alessandro Giannessi | Facundo Diaz Acosta | 7-64, 1-2, Facundo Diaz Acosta - retired | | match details | ||
| 23.01.19 | 2nd round | Tomas Barrios Vera | Alessandro Giannessi | 6-4, 6-4 | | match details | Punta Del | Clay |
| 12.10.18 | 1/4 | Roberto Carballes Baena | Alessandro Giannessi | 6-2, 6-2 | | match details | Barcelona Challenger | Clay |
| 11.10.18 | 2nd round | Alessandro Giannessi | Kenny de Schepper | 6-3, 6-2 | | match details | ||
| 09.10.18 | 1st round | Alessandro Giannessi | Miguel Semmler | 6-4, 6-3 | | match details | ||
| 02.10.18 | 1st round | Filip Horansky | Alessandro Giannessi | 6-2, 6-0 | | match details | Florence Challenger | Clay |
| 16.09.18 | fin | Alessandro Giannessi | Carlos Berlocq | 6-76, 6-4, 6-4 | | match details |  Banja Luka | Clay |
| 15.09.18 | 1/2 | Alessandro Giannessi | Filippo Baldi | 7-63, 6-4 | | match details | ||
| 14.09.18 | 1/4 | Alessandro Giannessi | Laurynas Grigelis | 6-3, 6-4 | | match details | ||
| 13.09.18 | 2nd round | Alessandro Giannessi | Dimitar Kuzmanov | 2-6, 6-2, 6-2 | | match details | ||
| 11.09.18 | 1st round | Alessandro Giannessi | Andrej Martin | 6-4, 4-6, 6-4 | | match details | ||
| 03.09.18 | 1st round | Alejandro Davidovich Fokina | Alessandro Giannessi | 6-73, 6-4, 7-65 | | match details | Seville Challenger | Clay |
| 27.08.18 | 1st round | Martin Klizan | Alessandro Giannessi | 6-2, 6-4 | | match details | Como Challenger | Clay |
| 21.07.18 | 1/4 | Thiemo de Bakker | Alessandro Giannessi | 3-6, 7-67, 6-4 | | match details |  Scheveningen Challenger | Clay |
| 18.07.18 | 2nd round | Alessandro Giannessi | Dustin Brown | 4-6, 6-2, 6-3 | | match details | ||
| 16.07.18 | 1st round | Alessandro Giannessi | Tsung-Hua Yang | 3-6, 6-1, 6-3 | | match details | ||
| 13.07.18 | 1/4 | Salvatore Caruso | Alessandro Giannessi | 4-6, 6-4, 6-4 | | match details | Perugia Challenger | Clay |
| 12.07.18 | 2nd round | Alessandro Giannessi | Tomislav Brkic | 6-1, 6-2 | | match details | ||
| 10.07.18 | 1st round | Alessandro Giannessi | Facundo Arguello | 3-6, 6-4, 6-2 | | match details | ||
| 15.06.18 | 1/4 | Matteo Donati | Alessandro Giannessi | 6-2, Alessandro Giannessi - retired | | match details | Caltanissetta Challenger | Clay |
| 15.06.18 | 2nd round | Alessandro Giannessi | Ernests Gulbis | 2-6, 7-63, 6-1 | | match details | ||
| 12.06.18 | 1st round | Alessandro Giannessi | Maxime Janvier | 6-1, 6-4 | | match details | ||
| 09.06.18 | 1/2 | Hubert Hurkacz | Alessandro Giannessi | 6-4, 3-6, 6-3 | | match details | Poznan Challenger | Clay |
| 08.06.18 | 1/4 | Alessandro Giannessi | Attila Balazs | 6-4, 7-5 | | match details | ||
| 07.06.18 | 2nd round | Alessandro Giannessi | Victor Estrella | 4-6, 6-3, 6-3 | | match details | ||
| 05.06.18 | 1st round | Alessandro Giannessi | Pedro Sousa | 6-2, 6-3 | | match details | ||
| 25.05.18 | qual. | Ernests Gulbis | Alessandro Giannessi | 4-6, 6-4, 6-2 | | match details | Paris | Clay |
| 24.05.18 | q 2 | Alessandro Giannessi | Tobias Kamke | 7-62, 6-2 | | match details | ||
| 21.05.18 | q 1 | Alessandro Giannessi | Gerald Melzer | 7-62, 6-2 | | match details | ||
| 15.05.18 | 1st round | Henri Laaksonen | Alessandro Giannessi | 4-6, 6-4, 6-4 | | match details | Heilbronn Challenger | Clay |
| 09.05.18 | 2nd round | Adam Pavlasek | Alessandro Giannessi | 6-4, 6-1 | | match details | Rome Challenger | Clay |
| 08.05.18 | 1st round | Alessandro Giannessi | Matteo Viola | 6-2, 6-4 | | match details | ||
| 29.04.18 | q 1 | Joao Domingues | Alessandro Giannessi | 7-5, 6-1 | | match details | Estoril | Clay |
| 21.04.18 | q 1 | Bjorn Fratangelo | Alessandro Giannessi | 7-5, 6-4 | | match details | Barcelona | Clay |
| 11.04.18 | 2nd round | Marco Trungelliti | Alessandro Giannessi | 6-3, 2-0, Alessandro Giannessi - retired | | match details | Barletta Challenger | Clay |
| 10.04.18 | 1st round | Alessandro Giannessi | Zsombor Piros | 6-2, 6-1 | | match details | ||
| 04.04.18 | 2nd round | Mario Vilella Martinez | Alessandro Giannessi | 5-2, Alessandro Giannessi - retired | | match details | Alicante Challenger | Clay |
| 03.04.18 | 1st round | Alessandro Giannessi | Ivan Gakhov | 6-1, 7-61 | | match details | ||
| 27.03.18 | 1st round | Ramkumar Ramanathan | Alessandro Giannessi | 6-4, 3-6, 6-3 | | match details | Marbella Challenger | Clay |
| 06.03.18 | 1st round | Jozef Kovalik | Alessandro Giannessi | 6-3, 2-6, 6-2 | | match details | Santiago Challenger | Clay |
| 02.03.18 | 1/2 | Simone Bolelli | Alessandro Giannessi | 6-2, 7-5 | | match details | Punta Del | Clay |
| 01.03.18 | 1/4 | Alessandro Giannessi | Jozef Kovalik | 7-62, 2-6, 7-65 | | match details | ||
| 28.02.18 | 2nd round | Alessandro Giannessi | Juan Ignacio Galarza | 6-0, 6-4 | | match details | ||
| 26.02.18 | 1st round | Alessandro Giannessi | Hugo Dellien | 7-65, 4-6, 6-4 | | match details | ||
| 18.02.18 | qual. | Roberto Carballes Baena | Alessandro Giannessi | 6-3, 6-2 | | match details | Rio de | Clay |
| 17.02.18 | q 1 | Alessandro Giannessi | Guilherme Clezar | 6-73, 6-4, 6-3 | | match details | ||
| 10.02.18 | q 1 | Hernan Casanova | Alessandro Giannessi | 7-65, 6-4 | | match details | Buenos Aires | Clay |
| 08.02.18 | 2nd round | Thiago Moura Monteiro | Alessandro Giannessi | 7-64, 4-6, 7-5 | | match details |  Quito | Clay |
| 07.02.18 | 1st round | Alessandro Giannessi | Peter Polansky | 6-3, 6-4 | | match details | ||
| 04.02.18 | qual. | Federico Gaio | Alessandro Giannessi | 3-6, 7-65, 7-67 | | match details | ||
| 03.02.18 | q 1 | Alessandro Giannessi | Juan Ignacio Londero | 6-4, 6-4 | | match details | ||
| 12.09.17 | 1st round | Artem Smirnov | Alessandro Giannessi | 7-64, 6-1 | | match details | Szczecin Challenger | Clay |
| 07.09.17 | 2nd round | Guillermo Garcia-Lopez | Alessandro Giannessi | 6-4, 7-5 | | match details | Genova Challenger | Clay |
| 06.09.17 | 1st round | Alessandro Giannessi | Julian Ocleppo | 7-5, 6-1 | | match details | ||
| 29.07.17 | q 1 | Miljan Zekic | Alessandro Giannessi | 3-6, 7-5, 6-4 | | match details |  Kitzbuhel | Clay |
| 25.07.17 | 1st round | Pedro Martinez Portero | Alessandro Giannessi | 5-7, 6-4, 6-4 | | match details | Cortina Challenger | Clay |
| 22.07.17 | 1/2 | Paolo Lorenzi | Alessandro Giannessi | 6-2, 4-6, 6-3 | | match details | Umag | Clay |
| 21.07.17 | 1/4 | Alessandro Giannessi | Rogerio Dutra Da Silva | 6-73, 6-2, 7-5 | | match details | ||
| 20.07.17 | 2nd round | Alessandro Giannessi | Kenny de Schepper | 6-2, 3-6, 6-3 | | match details | ||
| 18.07.17 | 1st round | Alessandro Giannessi | Marc Polmans | 6-73, 6-3, 6-4 | | match details | ||
| 13.07.17 | 2nd round | Salvatore Caruso | Alessandro Giannessi | 6-3, 6-3 | | match details | Perugia Challenger | Clay |
| 12.07.17 | 1st round | Alessandro Giannessi | Stefano Travaglia | 6-3, 4-6, 7-5 | | match details | ||
| 20.06.17 | 1st round | Laurynas Grigelis | Alessandro Giannessi | 3-6, 1-0, Alessandro Giannessi - retired | | match details | Todi Challenger | Clay |
| 18.06.17 | fin | Paolo Lorenzi | Alessandro Giannessi | 6-4, 6-2 | | match details | Caltanissetta Challenger | Clay |
| 17.06.17 | 1/2 | Alessandro Giannessi | Cedrik-Marcel Stebe | 6-3, 7-65 | | match details | ||
| 16.06.17 | 1/4 | Alessandro Giannessi | Mikhail Kukushkin | 6-4, 1-6, 6-1 | | match details | ||
| 15.06.17 | 2nd round | Alessandro Giannessi | Inigo Cervantes | 6-2, 6-3 | | match details | ||
| 13.06.17 | 1st round | Alessandro Giannessi | Enrique Lopez-Perez | 7-5, 7-5 | | match details | ||
| 24.05.17 | q 2 | Matteo Donati | Alessandro Giannessi | 6-3, 3-6, 7-610 | | match details | Paris | Clay |
| 23.05.17 | q 1 | Alessandro Giannessi | Calvin Hemery | 7-5, 6-3 | | match details | ||
| 30.05.17 | 1st round | Filip Krajinovic | Alessandro Giannessi | 6-3, 3-6, 6-3 | | match details | Vicenza Challenger | Clay |
| 13.05.17 | q 1 | Ernesto Escobedo | Alessandro Giannessi | 6-3, 6-4 | | match details | Rome | Clay |
| 30.04.17 | fin | Pedro Sousa | Alessandro Giannessi | 6-3, 7-63 | | match details | Francavilla Challenger | Clay |
| 29.04.17 | 1/4 | Alessandro Giannessi | Ruben Ramirez-Hidalgo | 4-6, 6-4, Ruben Ramirez-Hidalgo - retired | | match details | ||
| 29.04.17 | 1/2 | Alessandro Giannessi | Stefano Travaglia | 5-7, 6-4, 6-2 | | match details | ||
| 27.04.17 | 2nd round | Alessandro Giannessi | Lorenzo Sonego | 3-6, 6-4, 6-4 | | match details | ||
| 26.04.17 | 1st round | Alessandro Giannessi | Stefanos Tsitsipas | 7-66, 6-4 | | match details | ||
| 15.04.17 | q 1 | Damir Dzumhur | Alessandro Giannessi | 6-3, 7-5 | | match details |  Monte-Carlo | Clay |
| 14.04.17 | 1/4 | Lukas Rosol | Alessandro Giannessi | 2-6, 6-3, 6-3 | | match details | Barletta Challenger | Clay |
| 13.04.17 | 2nd round | Alessandro Giannessi | Nikola Milojevic | 6-1, 6-3 | | match details | ||
| 11.04.17 | 1st round | Alessandro Giannessi | Riccardo Bellotti | 6-3, 6-3 | | match details | ||
| 07.03.17 | 1st round | Simone Bolelli | Alessandro Giannessi | 6-4, 3-2, Alessandro Giannessi - retired | | match details | Santiago Challenger | Clay |
| 02.03.17 | 2nd round | Fabio Fognini | Alessandro Giannessi | 7-61, 7-63 | | match details | Sao Paulo | Clay |
| 28.02.17 | 1st round | Alessandro Giannessi | Rogerio Dutra Da Silva | 6-4, 6-3 | | match details | ||
| 26.02.17 | qual. | Alessandro Giannessi | Guido Andreozzi | 4-6, 7-65, 2-0, Guido Andreozzi - retired | | match details | ||
| 25.02.17 | q 1 | Alessandro Giannessi | Federico Coria | 6-0, Federico Coria - retired | | match details | ||
| 18.02.17 | q 1 | Marco Cecchinato | Alessandro Giannessi | 7-65, 6-74, 6-2 | | match details | Rio de | Clay |
| 15.02.17 | 2nd round | Pablo Carreno-Busta | Alessandro Giannessi | 6-1, 4-6, 6-4 | | match details | Buenos Aires | Clay |
| 14.02.17 | 1st round | Alessandro Giannessi | Rogerio Dutra Da Silva | 5-7, 7-66, 6-4 | | match details | ||
| 13.02.17 | qual. | Alessandro Giannessi | Dusan Lajovic | 6-3, 3-6, 6-1 | | match details | ||
| 11.02.17 | q 1 | Alessandro Giannessi | Roberto Carballes Baena | 6-4, 6-4 | | match details | ||
| 07.02.17 | 1st round | Alejandro Falla | Alessandro Giannessi | 6-4, 6-3 | | match details | Quito | Clay |
| 18.09.16 | fin | Alessandro Giannessi | Dustin Brown | 6-2, 6-3 | | match details | Szczecin Challenger | Clay |
| 17.09.16 | 1/2 | Alessandro Giannessi | Constant Lestienne | 6-3, 6-3 | | match details | ||
| 16.09.16 | 1/4 | Alessandro Giannessi | Stefano Napolitano | 6-3, 7-610 | | match details | ||
| 15.09.16 | 2nd round | Alessandro Giannessi | Akira Santillan | 6-3, 6-3 | | match details | ||
| 13.09.16 | 1st round | Alessandro Giannessi | Radu Albot | 6-3, 6-4 | | match details | ||
| 26.07.16 | 1st round | Guido Andreozzi | Alessandro Giannessi | 6-3, 6-1 | | match details | Biella Challenger | Clay |
| 13.07.16 | 2nd round | Federico Gaio | Alessandro Giannessi | 4-6, 4-3, Alessandro Giannessi - retired | | match details | San Benedetto | Clay |
| 12.07.16 | 1st round | Alessandro Giannessi | Tomas Lipovsek Puches | 7-611, 2-6, 6-3 | | match details | ||
| 08.07.16 | 1/4 | Marco Cecchinato | Alessandro Giannessi | 6-4, 2-6, 6-3 | | match details | Todi Challenger | Clay |
| 07.07.16 | 2nd round | Alessandro Giannessi | Arthur De Greef | 4-6, 6-0, 6-1 | | match details | ||
| 05.07.16 | 1st round | Alessandro Giannessi | Steven Diez | 5-7, 7-5, 6-1 | | match details | ||
| 15.06.16 | 1st round | Nicolas Kicker | Alessandro Giannessi | 6-2, 6-0 | | match details | Perugia Challenger | Clay |
| 11.06.16 | 1/2 | Paolo Lorenzi | Alessandro Giannessi | 6-4, 7-5 | | match details | Caltanissetta Challenger | Clay |
| 10.06.16 | 1/4 | Alessandro Giannessi | Marcelo Arevalo | 6-4, 6-1 | | match details | ||
| 09.06.16 | 2nd round | Alessandro Giannessi | Elias Ymer | 6-4, 6-4 | | match details | ||
| 07.06.16 | 1st round | Alessandro Giannessi | Nicolas Jarry | 4-6, 7-5, 6-4 | | match details | ||
| 01.06.16 | 2nd round | Mikhail Kukushkin | Alessandro Giannessi | 7-61, 7-5 | | match details | Prostejov Challenger | Clay |
| 31.05.16 | 1st round | Alessandro Giannessi | Gastao Elias | 7-67, 5-7, 6-1 | | match details | ||
| 16.05.16 | q 1 | Ryan Harrison | Alessandro Giannessi | 6-3, 6-2 | | match details | Paris | Clay |
| 07.05.16 | q 1 | Denis Kudla | Alessandro Giannessi | 7-63, 6-4 | | match details | Rome | Clay |
| 24.04.16 | qual. | Carlos Berlocq | Alessandro Giannessi | 7-63, 6-3 | | match details | Istanbul | Clay |
| 23.04.16 | q 1 | Alessandro Giannessi | Michael Linzer | 1-0, Michael Linzer - retired | | match details | ||
| 19.04.16 | 1st round | Uladzimir Ignatik | Alessandro Giannessi | 5-3, Alessandro Giannessi - retired | | match details | Turin Challenger | Clay |
| 15.04.16 | 1/4 | Enrique Lopez-Perez | Alessandro Giannessi | 6-3, 6-3 | | match details | Barletta Challenger | Clay |
| 13.04.16 | 2nd round | Alessandro Giannessi | Roberto Carballes Baena | 5-7, 6-4, 6-4 | | match details | ||
| 11.04.16 | 1st round | Alessandro Giannessi | Gianluca Mager | 6-4, 7-613 | | match details | ||
| 07.04.16 | 2nd round | Roberto Carballes Baena | Alessandro Giannessi | 6-2, 5-7, 6-3 | | match details | Napoli Challenger | Clay |
| 05.04.16 | 1st round | Alessandro Giannessi | Hans Podlipnik-Castillo | 6-0, 6-2 | | match details | ||
| 10.03.16 | 2nd round | Gonzalo Lama | Alessandro Giannessi | 5-7, 6-2, 7-60 | | match details | Santiago Challenger | Clay |
| 08.03.16 | 1st round | Alessandro Giannessi | Christian Lindell | 7-65, 7-5 | | match details | ||
| 12.02.16 | 1/4 | Nicolas Kicker | Alessandro Giannessi | 6-4, 3-6, 6-2 | | match details | Santo Domingo | Clay |
| 10.02.16 | 2nd round | Alessandro Giannessi | Franko Skugor | 7-60, 7-62 | | match details | ||
| 08.02.16 | 1st round | Alessandro Giannessi | Horacio Zeballos | 6-1, 6-3 | | match details | ||
| 19.10.15 | 1st round | George Von Massow | Alessandro Giannessi | 6-78, 6-2, 6-3 | | match details | Italy F32 | Clay |
| 08.10.15 | 1/4 | Pablo Carreno-Busta | Alessandro Giannessi | 7-5, 3-6, 7-64 | | match details |  Mohammedia Challenger | Clay |
| 07.10.15 | 2nd round | Alessandro Giannessi | Albert Montanes | 6-3, 7-63 | | match details | ||
| 05.10.15 | 1st round | Alessandro Giannessi | Gerald Melzer | 6-73, 6-4, 6-3 | | match details | ||
| 29.09.15 | 1st round | Albert Montanes | Alessandro Giannessi | 2-6, 6-3, 6-2 | | match details | Rome Challenger | Clay |
| 27.09.15 | qual. | Alessandro Giannessi | Enrique Lopez-Perez | 6-3, 7-63 | | match details | ||
| 26.09.15 | q 2 | Alessandro Giannessi | Filippo Baldi | 6-4, 6-4 | | match details | ||
| 22.09.15 | 1st round | Tristan Lamasine | Alessandro Giannessi | 3-6, 6-4, 6-4 | | match details | Sibiu Challenger | Clay |
| 15.09.15 | 1st round | Filip Krajinovic | Alessandro Giannessi | 6-1, 7-63 | | match details | Szczecin Challenger | Clay |
| 09.09.15 | 1st round | Marco Cecchinato | Alessandro Giannessi | 6-3, 5-7, 7-65 | | match details | Genova Challenger | Clay |
| 25.08.15 | 1st round | Filippo Volandri | Alessandro Giannessi | 4-6, 6-2, 2-0, Alessandro Giannessi - retired | | match details | Manerbio Challenger | Clay |
| 20.08.15 | 2nd round | Kenny de Schepper | Alessandro Giannessi | 6-0, 7-62 | | match details | Cordenons Challenger | Clay |
| 18.08.15 | 1st round | Alessandro Giannessi | Fernando Romboli | 6-3, 6-2 | | match details | ||
| 10.08.15 | 1st round | Alessandro Giannessi | Rafael Matos | 7-5, 6-1 | | match details | Italy F22 | Clay |
| 10.08.15 | 2nd round | Yannik Reuter | Alessandro Giannessi | 6-2, 1-1, Alessandro Giannessi - retired | | match details | ||
| 07.08.15 | 1/4 | Daniel Munoz-De La Nava | Alessandro Giannessi | 6-4, 6-4 | | match details | Cortina Challenger | Clay |
| 05.08.15 | 2nd round | Alessandro Giannessi | Adelchi Virgili | 6-1, 3-6, 6-4 | | match details | ||
| 04.08.15 | 1st round | Alessandro Giannessi | Roberto Marcora | 7-62, 6-4 | | match details | ||
| 30.07.15 | 2nd round | Thomas Fabbiano | Alessandro Giannessi | 6-4, 6-4 | | match details | Biella Challenger | Clay |
| 28.07.15 | 1st round | Alessandro Giannessi | Marton Fucsovics | 7-61, 6-4 | | match details | ||
| 19.07.15 | fin | Albert Ramos-Vinolas | Alessandro Giannessi | 6-2, 6-4 | | match details | San Benedetto | Clay |
| 18.07.15 | 1/2 | Alessandro Giannessi | Salvatore Caruso | 6-4, 6-2 | | match details | ||
| 17.07.15 | 1/4 | Alessandro Giannessi | Maxime Hamou | 6-3, 6-2 | | match details | ||
| 15.07.15 | 2nd round | Alessandro Giannessi | Michael Linzer | 6-1, 6-2 | | match details | ||
| 14.07.15 | 1st round | Alessandro Giannessi | Blaz Rola | 6-3, 6-3 | | match details | ||
| 06.07.15 | 1/4 | Alessandro Giannessi | Mohamed Safwat | 6-2, 1-6, 6-4 | | match details | Italy F17 | Clay |
| 06.07.15 | 1/2 | Alessandro Giannessi | Enrico Dalla Valle | 6-1, 6-0 | | match details | ||
| 06.07.15 | 1st round | Alessandro Giannessi | Andres Gabriel Ciurletti | 6-1, 6-2 | | match details | ||
| 06.07.15 | fin | Alessandro Giannessi | Gianluca Naso | 4-6, 6-3, 6-2 | | match details | ||
| 06.07.15 | 2nd round | Alessandro Giannessi | Davide Della Tommasina | 6-3, 6-4 | | match details | ||
| 03.07.15 | 1/4 | Andrej Martin | Alessandro Giannessi | 6-2, 7-66 | | match details | Padova Challenger | Clay |
| 01.07.15 | 2nd round | Alessandro Giannessi | Riccardo Bellotti | 3-6, 6-1, 6-4 | | match details | ||
| 30.06.15 | 1st round | Alessandro Giannessi | Andrey Rublev | 3-6, 6-2, 6-4 | | match details | ||
| 29.06.15 | qual. | Alessandro Giannessi | Nicolas Barrientos | 6-2, 6-2 | | match details | ||
| 28.06.15 | q 2 | Alessandro Giannessi | Joao Domingues | 6-4, 6-2 | | match details | ||
| 27.06.15 | q 1 | Alessandro Giannessi | Jacopo Stefanini | 6-2, 6-0 | | match details | ||
| 21.06.15 | qual. | Benoit Paire | Alessandro Giannessi | 6-3, 6-3 | | match details | Milan Challenger | Clay |
| 20.06.15 | q 1 | Alessandro Giannessi | Filip Veger | 6-4, 1-6, 6-1 | | match details | ||
| 20.06.15 | q 2 | Alessandro Giannessi | Arthur De Greef | 3-6, 6-4, 6-2 | | match details | ||
| 08.06.15 | 1/2 | Alessandro Giannessi | Christian Trubrig | 6-4, 3-6, 7-64 | | match details | Italy F13 | Clay |
| 08.06.15 | 1st round | Alessandro Giannessi | Gianni Mina | 7-61, 6-3 | | match details | ||
| 08.06.15 | 2nd round | Alessandro Giannessi | Riccardo Bonadio | 6-3, 6-0 | | match details | ||
| 08.06.15 | fin | Gianluca Naso | Alessandro Giannessi | 4-6, 6-2, 7-63 | | match details | ||
| 08.06.15 | 1/4 | Alessandro Giannessi | Claudio Fortuna | 6-2, 6-3 | | match details | ||
| 01.06.15 | 1/4 | Alessandro Giannessi | Riccardo Ghedin | 6-2, 6-1 | | match details | Italy F12 | Clay |
| 01.06.15 | 1/2 | Alessandro Giannessi | Johan Sebastien Tatlot | 6-3, 7-5 | | match details | ||
| 01.06.15 | 1st round | Alessandro Giannessi | Matteo Rigamonti | 6-1, 6-0 | | match details | ||
| 01.06.15 | fin | Alessandro Giannessi | Yann Marti | 6-76, 7-5, 6-4 | | match details | ||
| 01.06.15 | 2nd round | Alessandro Giannessi | Mateo Nicolas Martinez | 6-4, 6-3 | | match details | ||
| 25.05.15 | 1st round | Maxime Tabatruong | Alessandro Giannessi | 5-7, 6-4, 7-5 | | match details | Italy F11 | Clay |
| 10.09.14 | 1st round | Henri Laaksonen | Alessandro Giannessi | 7-64, 4-6, 6-2 | | match details | Biella Challenger | Clay |
| 02.09.14 | 1st round | Guido Andreozzi | Alessandro Giannessi | 7-5, 6-2 | | match details | Genova Challenger | Clay |
| 26.08.14 | 1st round | Boris Pashanski | Alessandro Giannessi | 6-4, 6-2 | | match details | Como Challenger | Clay |
| 15.08.14 | 2nd round | Filippo Volandri | Alessandro Giannessi | 6-4, 6-1 | | match details | Cordenons Challenger | Clay |
| 12.08.14 | 1st round | Alessandro Giannessi | Matteo Viola | 6-3, 4-6, 7-64 | | match details | ||
| 09.08.14 | 1/2 | Adrian Ungur | Alessandro Giannessi | 6-3, 6-3 | | match details | San Marino | Clay |
| 08.08.14 | 1/4 | Alessandro Giannessi | Simone Bolelli | 4-6, 6-4, 6-3 | | match details | ||
| 07.08.14 | 2nd round | Alessandro Giannessi | Roberto Marcora | 6-3, 6-4 | | match details | ||
| 05.08.14 | 1st round | Alessandro Giannessi | Wilson Leite | 6-1, 6-1 | | match details | ||
| 30.07.14 | 1st round | Walter Trusendi | Alessandro Giannessi | 6-3, 3-6, 6-3 | | match details | Cortina Challenger | Clay |
| 14.07.14 | 2nd round | Alessandro Giannessi | Maximiliano Estevez | 7-63, 6-4 | | match details | Italy F23 | Clay |
| 14.07.14 | 1/4 | Federico Gaio | Alessandro Giannessi | 7-5, 3-2, Alessandro Giannessi - retired | | match details | ||
| 14.07.14 | 1st round | Alessandro Giannessi | Deni Zmak | 7-63, 6-3 | | match details | ||
| 10.07.14 | 2nd round | Andreas Haider-Maurer | Alessandro Giannessi | 6-1, 6-3 | | match details | San Benedetto | Clay |
| 08.07.14 | 1st round | Alessandro Giannessi | Gerard Granollers | 6-1, 6-1 | | match details | ||
| 02.07.14 | 1st round | Maximo Gonzalez | Alessandro Giannessi | 7-64, 6-2 | | match details | Todi Challenger | Clay |
| 27.06.14 | 1/4 | Jordi Samper-Montana | Alessandro Giannessi | 6-4, 7-5 | | match details | Padova Challenger | Clay |
| 26.06.14 | 2nd round | Alessandro Giannessi | Adrian Ungur | 7-5, 6-0 | | match details | ||
| 23.06.14 | 1st round | Alessandro Giannessi | Louk Sorensen | 2-0, Louk Sorensen - retired | | match details | ||
| 16.06.14 | qual. | Juan Lizariturry | Alessandro Giannessi | 6-4, 6-4 | | match details | Milan Challenger | Clay |
| 15.06.14 | q 2 | Alessandro Giannessi | Daniele Giorgini | 4-6, 7-64, 6-2 | | match details | ||
| 14.06.14 | q 1 | Alessandro Giannessi | Vadim Alekseenko | 6-2, 6-1 | | match details | ||
| 10.06.14 | 1st round | Lukas Rosol | Alessandro Giannessi | 6-2, 6-2 | | match details | Prague Challenger | Clay |
| 09.06.14 | qual. | Alessandro Giannessi | Moritz Baumann | 6-4, 7-66 | | match details | ||
| 08.06.14 | q 2 | Alessandro Giannessi | Daniel Knoflicek | 7-5, 6-1 | | match details | ||
| 07.06.14 | q 1 | Alessandro Giannessi | Jan Kuncik | 6-4, 1-6, 6-4 | | match details | ||
| 05.06.14 | 2nd round | Pablo Cuevas | Alessandro Giannessi | 6-0, 6-4 | | match details | Mestre Challenger | Clay |
| 04.06.14 | 1st round | Alessandro Giannessi | Salvatore Caruso | 7-63, 6-3 | | match details | ||
| 02.06.14 | qual. | Alessandro Giannessi | Christian Lindell | 7-60, 7-5 | | match details | ||
| 01.06.14 | q 2 | Alessandro Giannessi | Edoardo Eremin | 7-65, 6-3 | | match details | ||
| 24.05.14 | q 1 | Marco Trungelliti | Alessandro Giannessi | 6-3, 2-6, 6-2 | | match details | Vicenza Challenger | Clay |
| 21.05.14 | 1st round | Jason Murray Kubler | Alessandro Giannessi | 7-5, 3-6, 6-1 | | match details | Dusseldorf | Clay |
| 18.05.14 | qual. | Alessandro Giannessi | Alexander Zverev | 2-6, 6-2, 6-1 | | match details | ||
| 17.05.14 | q 1 | Alessandro Giannessi | Jose Pereira | 6-4, 6-3 | | match details | ||
| 17.05.14 | q 2 | Alessandro Giannessi | Victor Estrella | 2-6, 6-3, 6-1 | | match details | ||
| 12.05.14 | qual. | Thanasi Kokkinakis | Alessandro Giannessi | 6-4, 5-7, 6-4 | | match details | Heilbronn Challenger | Clay |
| 11.05.14 | q 2 | Alessandro Giannessi | Louk Sorensen | 6-3, 6-2 | | match details | ||
| 10.05.14 | q 1 | Alessandro Giannessi | Dominik Boehler | 6-0, 6-2 | | match details | ||
| 05.05.14 | 1st round | Norbert Gombos | Alessandro Giannessi | 7-62, 6-2 | | match details | Rome Challenger | Clay |
| 28.04.14 | 1st round | Marsel Ilhan | Alessandro Giannessi | 7-5, 6-4 | | match details |  Tunis Challenger | Clay |
| 27.04.14 | qual. | Alessandro Giannessi | Boy Westerhof | 6-4, 7-64 | | match details | ||
| 26.04.14 | q 2 | Alessandro Giannessi | Sofiene El Bahri | 6-1, 6-1 | | match details | ||
| 20.04.14 | q 1 | Federico Gaio | Alessandro Giannessi | 7-65, 4-6, 6-1 | | match details | Vercelli Challenger | Clay |
| 06.04.14 | q 2 | Martin Fischer | Alessandro Giannessi | 7-65, 6-2 | | match details | Casablanca | Clay |
| 05.04.14 | q 1 | Alessandro Giannessi | Lorenzo Giustino | 4-6, 7-5, 6-2 | | match details | ||
| 17.03.14 | 1st round | Alessandro Giannessi | Antonio Sancic | 6-1, 6-4 | | match details | Croatia F4 | Clay |
| 17.03.14 | 2nd round | Alessandro Giannessi | Mike Urbanija | 7-5, 6-3 | | match details | ||
| 17.03.14 | 1/4 | Juan Lizariturry | Alessandro Giannessi | 4-1, Alessandro Giannessi - retired | | match details | ||
| 24.02.14 | 1st round | Marco Trungelliti | Alessandro Giannessi | 4-6, 6-3, 7-63 | | match details | Salinas Challenger | Clay |
| 08.02.14 | q 1 | Ruben Ramirez-Hidalgo | Alessandro Giannessi | 5-0, Alessandro Giannessi - retired | | match details | Buenos Aires | Clay |
| 01.02.14 | q 1 | Potito Starace | Alessandro Giannessi | 6-3, 6-2 | | match details | Vina del | Clay |
| 29.10.13 | 1st round | Mohamed Safwat | Alessandro Giannessi | 6-3, 2-6, 7-5 | | match details | Casablanca Challenger | Clay |
| 27.09.13 | 1/4 | Jaroslav Pospisil | Alessandro Giannessi | 6-1, 6-4 | | match details | Sibiu Challenger | Clay |
| 26.09.13 | 2nd round | Alessandro Giannessi | Jan Hajek | 7-62, 6-75, 6-4 | | match details | ||
| 24.09.13 | 1st round | Alessandro Giannessi | Mate Pavic | 6-2, 4-6, 6-2 | | match details | ||
| 16.09.13 | 1st round | Marco Cecchinato | Alessandro Giannessi | 6-6, Alessandro Giannessi - retired | | match details | Szczecin Challenger | Clay |
| 10.09.13 | 1st round | Kimmer Coppejans | Alessandro Giannessi | 6-4, 4-6, 6-4 | | match details | Meknes Challenger | Clay |
| 04.09.13 | 1st round | Pablo Carreno-Busta | Alessandro Giannessi | 7-68, 6-2 | | match details | Genova Challenger | Clay |
| 28.08.13 | 2nd round | Dominic Thiem | Alessandro Giannessi | 6-4, 6-4 | | match details | Como Challenger | Clay |
| 26.08.13 | 1st round | Alessandro Giannessi | Mate Pavic | 6-4, 6-2 | | match details | ||
| 15.08.13 | 2nd round | Gregoire Burquier | Alessandro Giannessi | 7-5, 6-3 | | match details | Cordenons Challenger | Clay |
| 13.08.13 | 1st round | Alessandro Giannessi | Adrian Ungur | 3-6, 7-62, 6-1 | | match details | ||
| 06.08.13 | 1st round | Daniel Gimeno-Traver | Alessandro Giannessi | 6-3, 6-0 | | match details | San Marino | Clay |
| 29.07.13 | 1/2 | Alessandro Giannessi | Walter Trusendi | 7-5, 7-5 | | match details | Italy F19 | Clay |
| 29.07.13 | 1st round | Alessandro Giannessi | Andrea Basso | 6-0, 6-0 | | match details | ||
| 29.07.13 | fin | Alessandro Giannessi | Daniele Giorgini | 6-2, 6-3 | | match details | ||
| 29.07.13 | 2nd round | Alessandro Giannessi | Davide Della Tommasina | 1-6, 6-3, 6-0 | | match details | ||
| 29.07.13 | 1/4 | Alessandro Giannessi | Matteo Trevisan | 6-3, 6-3 | | match details | ||
| 26.07.13 | 1/4 | Pablo Carreno-Busta | Alessandro Giannessi | 6-1, 4-6, 6-4 | | match details | Orbetello Challenger | Clay |
| 25.07.13 | 2nd round | Alessandro Giannessi | Theodoros Angelinos | 6-77, 6-4, 6-4 | | match details | ||
| 23.07.13 | 1st round | Alessandro Giannessi | Jan Mertl | 2-6, 7-62, 6-2 | | match details | ||
| 12.07.13 | 1/4 | Andrej Martin | Alessandro Giannessi | 6-3, 6-3 | | match details | San Benedetto | Clay |
| 11.07.13 | 2nd round | Alessandro Giannessi | Dusan Lajovic | 7-63, 7-5 | | match details | ||
| 09.07.13 | 1st round | Alessandro Giannessi | Jozef Kovalik | 6-1, 6-3 | | match details | ||
| 07.07.13 | q 2 | Alessandro Giannessi | Andrea Attrice | 6-2, 6-0 | | match details | ||
| 07.07.13 | qual. | Alessandro Giannessi | Dane Propoggia | 3-6, 6-3, 6-1 | | match details | ||
| 06.07.13 | q 1 | Alessandro Giannessi | Pietro Rondoni | 6-2, 6-4 | | match details | ||
| 02.07.13 | 1st round | Marco Cecchinato | Alessandro Giannessi | 4-6, 7-65, 6-2 | | match details | Todi Challenger | Clay |
| 27.06.13 | 2nd round | Jesse Huta Galung | Alessandro Giannessi | 6-2, 6-2 | | match details | Marburg Challenger | Clay |
| 25.06.13 | 1st round | Alessandro Giannessi | Stefan Seifert | 6-4, 5-7, 6-3 | | match details | ||
| 11.06.13 | 1st round | Guilherme Clezar | Alessandro Giannessi | 6-4, 6-4 | | match details |  Kosice Challenger | Clay |
| 05.06.13 | 1st round | Federico Delbonis | Alessandro Giannessi | 6-1, 2-1, Alessandro Giannessi - retired | | match details | Caltanissetta Challenger | Clay |
| 19.05.13 | q 2 | Rogerio Dutra Da Silva | Alessandro Giannessi | 7-63, 7-5 | | match details | Nice | Clay |
| 19.05.13 | q 1 | Alessandro Giannessi | Jordi Samper-Montana | 3-6, 6-3, 6-3 | | match details | ||
| 11.05.13 | q 1 | Albert Montanes | Alessandro Giannessi | 6-4, 6-3 | | match details | Rome | Clay |
| 05.05.13 | fin | Potito Starace | Alessandro Giannessi | 6-2, 2-0, Alessandro Giannessi - retired | | match details | Napoli Challenger | Clay |
| 04.05.13 | 1/2 | Alessandro Giannessi | Filippo Volandri | 7-62, 5-7, 7-64 | | match details | ||
| 03.05.13 | 1/4 | Alessandro Giannessi | Jonathan Dasnieres de Veigy | 7-63, 6-2 | | match details | ||
| 02.05.13 | 2nd round | Alessandro Giannessi | Blaz Kavcic | 6-4, 6-4 | | match details | ||
| 01.05.13 | 1st round | Alessandro Giannessi | Wesley Koolhof | 6-74, 6-0, 6-2 | | match details | ||
| 21.04.13 | q 2 | Marius Copil | Alessandro Giannessi | 6-3, 7-65 | | match details | Bucharest | Clay |
| 20.04.13 | q 1 | Alessandro Giannessi | Alessio di Mauro | 6-73, 7-5, 6-3 | | match details | ||
| 13.04.13 | q 1 | Thiemo de Bakker | Alessandro Giannessi | 6-1, 6-4 | | match details | Monte-Carlo | Clay |
| 06.04.13 | q 1 | Gianluca Naso | Alessandro Giannessi | 6-3, 7-66 | | match details | Casablanca | Clay |
| 27.09.12 | 2nd round | Filippo Volandri | Alessandro Giannessi | 6-2, 6-2 | | match details | Madrid Challenger | Clay |
| 25.09.12 | 1st round | Alessandro Giannessi | Pavol Cervenak | 6-4, 7-65 | | match details | ||
| 20.09.12 | 2nd round | Simon Greul | Alessandro Giannessi | 6-2, 4-6, 6-3 | | match details | Szczecin Challenger | Clay |
| 18.09.12 | 1st round | Alessandro Giannessi | Filippo Volandri | 4-2, Filippo Volandri - retired | | match details | ||
| 12.09.12 | 2nd round | Alessio di Mauro | Alessandro Giannessi | 6-1, 1-0, Alessandro Giannessi - retired | | match details | Todi Challenger | Clay |
| 10.09.12 | 1st round | Alessandro Giannessi | Alberto Brizzi | 1-6, 7-61, 6-2 | | match details | ||
| 05.09.12 | 1st round | Filippo Volandri | Alessandro Giannessi | 7-66, 4-6, 6-3 | | match details | Genova Challenger | Clay |
| 31.08.12 | 1/4 | Andreas Haider-Maurer | Alessandro Giannessi | 6-3, 6-4 | | match details | Como Challenger | Clay |
| 30.08.12 | 2nd round | Alessandro Giannessi | Andre Begemann | 6-0, 6-4 | | match details | ||
| 28.08.12 | 1st round | Alessandro Giannessi | Attila Balazs | 6-76, 6-3, 6-3 | | match details | ||
| 14.08.12 | 1st round | Gianluca Naso | Alessandro Giannessi | 6-3, 6-1 | | match details | Cordenons Challenger | Clay |
| 08.08.12 | 2nd round | David Guez | Alessandro Giannessi | 6-4, 6-0 | | match details | Sibiu Challenger | Clay |
| 07.08.12 | 1st round | Alessandro Giannessi | Jan-Lennard Struff | 6-2, 6-2 | | match details | ||
| 23.07.12 | 1st round | Filippo Volandri | Alessandro Giannessi | 1-6, 6-4, 6-3 | | match details | Kitzbuhel | Clay |
| 14.07.12 | q 1 | Kevin Krawietz | Alessandro Giannessi | 6-3, 7-62 | | match details | Hamburg | Clay |
| 12.07.12 | 2nd round | Daniel Gimeno-Traver | Alessandro Giannessi | 6-4, 6-3 | | match details |  Bastad | Clay |
| 10.07.12 | 1st round | Alessandro Giannessi | Michael Berrer | 6-4, 3-6, 7-65 | | match details | ||
| 09.07.12 | qual. | Alessandro Giannessi | Michal Przysiezny | 6-3, 6-2 | | match details | ||
| 08.07.12 | q 2 | Alessandro Giannessi | Milos Sekulic | 6-0, 6-2 | | match details | ||
| 07.07.12 | q 1 | Alessandro Giannessi | Isak Arvidsson | 6-3, 6-4 | | match details | ||
| 03.07.12 | 1st round | Andrey Golubev | Alessandro Giannessi | 7-5, 7-5 | | match details | Braunschweig Challenger | Clay |
| 27.06.12 | 1st round | Walter Trusendi | Alessandro Giannessi | 6-2, 6-710, 6-0 | | match details | Milan Challenger | Clay |
| 14.06.12 | 1/4 | Simon Greul | Alessandro Giannessi | 6-2, 6-1 | | match details | Kosice Challenger | Clay |
| 13.06.12 | 2nd round | Alessandro Giannessi | Nils Langer | 6-1, 6-3 | | match details | ||
| 11.06.12 | 1st round | Alessandro Giannessi | Harri Heliovaara | 7-61, 4-6, 6-3 | | match details | ||
| 03.05.12 | 2nd round | Jerzy Janowicz | Alessandro Giannessi | Alessandro Giannessi - walk over | | match details | Tunis Challenger | Clay |
| 30.04.12 | 1st round | Alessandro Giannessi | Skander Mansouri | 6-3, 6-2 | | match details | ||
| 24.04.12 | 1st round | Martin Fischer | Alessandro Giannessi | 6-4, 2-0, Alessandro Giannessi - retired | | match details | Napoli Challenger | Clay |
| 17.04.12 | 1st round | Filippo Volandri | Alessandro Giannessi | 7-5, 6-3 | | match details | Monte-Carlo | Clay |
| 15.04.12 | q 1 | Alessandro Giannessi | Sergiy Stakhovsky | 6-2, 6-74, 6-0 | | match details | ||
| 15.04.12 | qual. | Alessandro Giannessi | Daniel Gimeno-Traver | 6-1, 7-62 | | match details | ||
| 02.04.12 | 1st round | Dustin Brown | Alessandro Giannessi | 6-1, 6-4 | | match details | Barletta Challenger | Clay |
| 21.03.12 | 2nd round | Paul-Henri Mathieu | Alessandro Giannessi | 6-3, 7-63 | | match details | Marrakech Challenger | Clay |
| 19.03.12 | 1st round | Alessandro Giannessi | Simon Greul | 6-3, 6-3 | | match details | ||
| 14.03.12 | 2nd round | Simon Greul | Alessandro Giannessi | 6-2, 7-62 | | match details | Rabat Challenger | Clay |
| 12.03.12 | 1st round | Alessandro Giannessi | Yassine Idmbarek | 6-2, 6-2 | | match details | ||
| 27.02.12 | 1st round | Potito Starace | Alessandro Giannessi | 6-2, 7-5 | | match details | Acapulco | Clay |
| 26.02.12 | qual. | Alessandro Giannessi | Joao Souza | 6-3, 3-6, 6-1 | | match details | ||
| 25.02.12 | q 1 | Alessandro Giannessi | Luis Diaz-Barriga | 6-2, 6-3 | | match details | ||
| 18.02.12 | q 1 | Paul Capdeville | Alessandro Giannessi | 6-1, 7-61 | | match details | Buenos Aires | Clay |
| 12.02.12 | q 2 | Maximo Gonzalez | Alessandro Giannessi | 6-3, 7-5 | | match details | Sao Paulo | Clay |
| 11.02.12 | q 1 | Alessandro Giannessi | Tiago Lopes (BRA) | 6-3, 6-3 | | match details | ||
| 28.01.12 | q 1 | Guillermo Hormazabal | Alessandro Giannessi | 4-6, 6-3, 7-62 | | match details | Vina del | Clay |
| 22.11.11 | 1st round | Eduardo Struvay | Alessandro Giannessi | 6-3, 6-0 | | match details | Guayaquil Challenger | Clay |
| 19.11.11 | 1/2 | Carlos Berlocq | Alessandro Giannessi | 6-2, 6-2 | | match details | Montevideo Challenger | Clay |
| 18.11.11 | 1/4 | Alessandro Giannessi | Joao Souza | 6-3, 6-3 | | match details | ||
| 17.11.11 | 2nd round | Alessandro Giannessi | Martin Cuevas | 6-4, 5-7, 6-4 | | match details | ||
| 14.11.11 | 1st round | Alessandro Giannessi | James Duckworth | 6-4, 6-4 | | match details | ||
| 08.11.11 | 1st round | Facundo Bagnis | Alessandro Giannessi | 6-2, 7-65 | | match details | Buenos Aires | Clay |
| 31.10.11 | 1st round | Guillaume Rufin | Alessandro Giannessi | 6-2, 6-4 | | match details |  Medellin Challenger | Clay |
| 04.10.11 | 1st round | Andreas Beck | Alessandro Giannessi | 5-7, 6-4, 6-1 | | match details | Palermo Challenger | Clay |
| 02.10.11 | fin | Leonardo Mayer | Alessandro Giannessi | 6-3, 6-4 | | match details | Napoli Challenger | Clay |
| 01.10.11 | 1/2 | Alessandro Giannessi | Adrian Ungur | 6-2, 6-4 | | match details | ||
| 30.09.11 | 1/4 | Alessandro Giannessi | Antonio Veic | 6-4, 7-5 | | match details | ||
| 28.09.11 | 2nd round | Alessandro Giannessi | Marco Crugnola | 3-6, 6-3, 6-1 | | match details | ||
| 26.09.11 | 1st round | Alessandro Giannessi | Enrico Burzi | 6-2, 6-2 | | match details | ||
| 23.09.11 | 1/4 | Pablo Andujar | Alessandro Giannessi | 6-3, 6-4 | | match details | Bucharest | Clay |
| 22.09.11 | 2nd round | Alessandro Giannessi | Frederico Gil | 7-62, 0-6, 6-3 | | match details | ||
| 20.09.11 | 1st round | Alessandro Giannessi | Albert Montanes | 7-5, 6-4 | | match details | ||
| 19.09.11 | qual. | Alessandro Giannessi | Olivier Patience | 6-3, 6-4 | | match details | ||
| 18.09.11 | q 2 | Alessandro Giannessi | Alexandru-Daniel Carpen | 6-75, 6-1, 6-1 | | match details | ||
| 17.09.11 | q 1 | Alessandro Giannessi | Alexandru Catalin Marasin | 7-64, 6-1 | | match details | ||
| 16.09.11 | 1/4 | Daniel Munoz-De La Nava | Alessandro Giannessi | 6-4, 6-2 | | match details | Szczecin Challenger | Clay |
| 14.09.11 | 2nd round | Alessandro Giannessi | Evgeny Donskoy | 2-6, 6-3, 7-5 | | match details | ||
| 13.09.11 | 1st round | Alessandro Giannessi | Dustin Brown | 6-77, 6-4, 6-4 | | match details | ||
| 09.09.11 | 1/4 | Frederico Gil | Alessandro Giannessi | 7-5, 6-1 | | match details | Genova Challenger | Clay |
| 08.09.11 | 2nd round | Alessandro Giannessi | Alessio di Mauro | 6-4, 6-4 | | match details | ||
| 06.09.11 | 1st round | Alessandro Giannessi | Benjamin Balleret | 6-1, 6-2 | | match details | ||
| 20.08.11 | 1/2 | Daniel Munoz-De La Nava | Alessandro Giannessi | 3-6, 6-4, 7-64 | | match details | Cordenons Challenger | Clay |
| 19.08.11 | 1/4 | Alessandro Giannessi | Attila Balazs | 6-3, 3-6, 6-3 | | match details | ||
| 18.08.11 | 2nd round | Alessandro Giannessi | Eric Prodon | 6-2, 6-3 | | match details | ||
| 16.08.11 | 1st round | Alessandro Giannessi | Matteo Trevisan | 6-4, 6-4 | | match details | ||
| 08.08.11 | 2nd round | Alessandro Giannessi | Toni Androic | 6-4, 3-6, 6-1 | | match details | Italy F22 | Clay |
| 08.08.11 | 1/4 | Alessandro Giannessi | James Duckworth | 7-5, 6-2 | | match details | ||
| 08.08.11 | 1/2 | Alessandro Giannessi | Simone Vagnozzi | 6-2, 7-65 | | match details | ||
| 08.08.11 | 1st round | Alessandro Giannessi | Sami Reinwein | 6-4, 6-0 | | match details | ||
| 08.08.11 | fin | Andres Molteni | Alessandro Giannessi | 7-5, 6-4 | | match details | ||
| 25.07.11 | 1/4 | Alessandro Giannessi | Benjamin Balleret | 6-3, 6-1 | | match details | Italy F20 | Clay |
| 25.07.11 | 1/2 | Alessandro Giannessi | Daniele Giorgini | 6-3, 7-63 | | match details | ||
| 25.07.11 | 1st round | Alessandro Giannessi | Antonio Comporto | 6-3, 6-3 | | match details | ||
| 25.07.11 | fin | Philipp Oswald | Alessandro Giannessi | 6-3, 4-6, 6-2 | | match details | ||
| 25.07.11 | 2nd round | Alessandro Giannessi | Cesar Ramirez | 6-1, 6-1 | | match details | ||
| 08.07.11 | 1/4 | Stefano Galvani | Alessandro Giannessi | 6-4, 3-1, Alessandro Giannessi - retired | | match details | San Benedetto | Clay |
| 06.07.11 | 2nd round | Alessandro Giannessi | Matteo Viola | 6-4, 7-5 | | match details | ||
| 05.07.11 | 1st round | Alessandro Giannessi | Maximo Gonzalez | 6-4, 6-3 | | match details | ||
| 02.07.11 | 1/2 | Albert Ramos-Vinolas | Alessandro Giannessi | 6-1, 6-3 | | match details | Turin Challenger | Clay |
| 01.07.11 | 1/4 | Alessandro Giannessi | Julio Silva | 6-4, 6-4 | | match details | ||
| 30.06.11 | 2nd round | Alessandro Giannessi | Daniel Gimeno-Traver | 6-4, 6-1 | | match details | ||
| 29.06.11 | 1st round | Alessandro Giannessi | Konstantin Kravchuk | 6-3, 7-5 | | match details | ||
| 20.06.11 | 1/4 | Alessandro Giannessi | Karim Maamoun | 6-1, 6-3 | | match details | Italy F15 | Clay |
| 20.06.11 | 1/2 | Alessandro Giannessi | Claudio Grassi | 6-2, 6-3 | | match details | ||
| 20.06.11 | 1st round | Alessandro Giannessi | Adam Chadaj | 3-6, 6-2, 6-1 | | match details | ||
| 20.06.11 | fin | Alessandro Giannessi | Janez Semrajc | 6-3, 6-0 | | match details | ||
| 20.06.11 | 2nd round | Alessandro Giannessi | Marco Simoni | 6-2, 6-0 | | match details | ||
| 13.06.11 | 2nd round | Alessandro Giannessi | Thales Turini | 7-63, 6-3 | | match details | Italy F14 | Clay |
| 13.06.11 | 1/4 | Gerard Granollers | Alessandro Giannessi | 0-6, 7-5, 6-1 | | match details | ||
| 13.06.11 | 1st round | Alessandro Giannessi | Matej Leljak | 6-2, 6-2 | | match details | ||
| 06.06.11 | 1st round | Alessandro Giannessi | Christian Lindell | 6-4, 6-1 | | match details | Italy F13 | Clay |
| 06.06.11 | 1/4 | Matteo Trevisan | Alessandro Giannessi | 0-6, 6-1, 7-64 | | match details | ||
| 06.06.11 | 2nd round | Alessandro Giannessi | Marc Sieber | 7-64, 6-0 | | match details | ||
| 24.05.11 | 1st round | Peter Luczak | Alessandro Giannessi | 2-6, 6-4, 6-4 | | match details | Alessandria Challenger | Clay |
| 16.05.11 | 1/4 | Alessandro Giannessi | Shuichi Sekiguchi | 6-0, 6-0 | | match details | Italy F10 | Clay |
| 16.05.11 | 1/2 | Alessandro Giannessi | Matteo Marrai | 6-2, 6-4 | | match details | ||
| 16.05.11 | 1st round | Alessandro Giannessi | Federico Margini | 6-1, 6-2 | | match details | ||
| 16.05.11 | fin | Alessandro Giannessi | Eduardo Struvay | 6-4, 7-67 | | match details | ||
| 16.05.11 | 2nd round | Alessandro Giannessi | Ivan Cerovic | 6-4, 6-3 | | match details | ||
| 09.05.11 | 1st round | Marcel Zimmermann | Alessandro Giannessi | 5-7, 6-2, 6-4 | | match details | Italy F9 | Clay |
| 02.05.11 | q 1 | Pablo Carreno-Busta | Alessandro Giannessi | 6-1, 7-64 | | match details | Rome Challenger | Clay |
| 25.04.11 | 1st round | Walter Trusendi | Alessandro Giannessi | 6-3, 3-0, Alessandro Giannessi - retired | | match details | Italy F7 | Clay |
| 11.04.11 | 1st round | Adrian Ungur | Alessandro Giannessi | 6-2, 7-63 | | match details | Rome Challenger | Clay |
| 04.04.11 | 1/4 | Alessandro Giannessi | Stefano Galvani | 4-6, 6-4, 6-3 | | match details | Italy F4 | Clay |
| 04.04.11 | 1/2 | Alessandro Giannessi | Matteo Trevisan | 6-4, 6-3 | | match details | ||
| 04.04.11 | 1st round | Alessandro Giannessi | Enrico Burzi | 7-62, 6-1 | | match details | ||
| 04.04.11 | fin | Daniele Giorgini | Alessandro Giannessi | 7-5, 6-1 | | match details | ||
| 04.04.11 | 2nd round | Alessandro Giannessi | Francesco Aldi | 6-4, 6-3 | | match details | ||
| 28.03.11 | 1/4 | Alessandro Giannessi | Dino Marcan | 6-4, 3-6, 6-2 | | match details | Turkey F11 | Clay |
| 28.03.11 | 1/2 | Alejandro Gonzalez | Alessandro Giannessi | 6-3, 6-3 | | match details | ||
| 28.03.11 | 1st round | Alessandro Giannessi | Cahit Kapukiran | 6-1, 6-2 | | match details | ||
| 28.03.11 | 2nd round | Alessandro Giannessi | Gleb Alekseenko | 6-0, 6-4 | | match details | ||
| 21.03.11 | 1st round | Alessandro Giannessi | Karim-Mohamed Maamoun | 6-1, 6-3 | | match details | Turkey F10 | Clay |
| 21.03.11 | 2nd round | Toni Androic | Alessandro Giannessi | 7-65, 6-3 | | match details | ||
| 14.03.11 | 2nd round | Toni Androic | Alessandro Giannessi | 5-7, 6-2, 6-4 | | match details | Turkey F9 | Clay |
| 14.03.11 | 1st round | Alessandro Giannessi | Tihomir Grozdanov | 6-3, 2-6, 6-2 | | match details | ||
| 12.02.11 | q 1 | Albert Ramos-Vinolas | Alessandro Giannessi | 6-3, 6-2 | | match details | Buenos Aires | Clay |
| 15.11.10 | 1/2 | Alessandro Giannessi | Rafael Mazon-Hernandez | 6-4, 6-1 | | match details | Spain F40 | Clay |
| 15.11.10 | 1st round | Alessandro Giannessi | James Marsalek | 7-65, 6-2 | | match details | ||
| 15.11.10 | fin | Alessandro Giannessi | Javier Marti | 7-5, 6-2 | | match details | ||
| 15.11.10 | 2nd round | Alessandro Giannessi | Romain Arneodo | 6-3, 6-4 | | match details | ||
| 15.11.10 | 1/4 | Alessandro Giannessi | Gianni Mina | 6-1, 7-66 | | match details | ||
| 25.10.10 | 1st round | Alessandro Giannessi | Mate Delic | 1-6, 6-3, Mate Delic - retired | | match details | Croatia F8 | Clay |
| 25.10.10 | 1/4 | Mirza Basic | Alessandro Giannessi | 6-3, 7-5 | | match details | ||
| 25.10.10 | 2nd round | Alessandro Giannessi | Attila Balazs | 6-3, 6-1 | | match details | ||
| 18.10.10 | 1st round | Alessandro Giannessi | Andrei Mlendea | 6-2, 6-1 | | match details | Croatia F7 | Clay |
| 18.10.10 | 2nd round | Andrea Arnaboldi | Alessandro Giannessi | 6-4, 6-0 | | match details | ||
| 11.10.10 | 1st round | Alessandro Giannessi | Pietro Fanucci | 6-3, 7-63 | | match details | Italy F30 | Clay |
| 11.10.10 | 2nd round | Andrea Arnaboldi | Alessandro Giannessi | 6-1, 6-4 | | match details | ||
| 06.10.10 | 2nd round | Ivo Minar | Alessandro Giannessi | 6-0, 7-64 | | match details | Palermo Challenger | Clay |
| 04.10.10 | 1st round | Alessandro Giannessi | Alessio di Mauro | 2-6, 6-1, 6-4 | | match details | ||
| 04.10.10 | q 1 | Alessandro Giannessi | Francois-Arthur Vibert | 6-3, 6-1 | | match details | ||
| 04.10.10 | q 2 | Alessandro Giannessi | Marco Viola | 6-3, 6-1 | | match details | ||
| 04.10.10 | qual. | Alessandro Giannessi | Aldin Setkic | 6-2, 6-2 | | match details | ||
| 27.09.10 | q 1 | Federico Torresi | Alessandro Giannessi | 6-4, 7-5 | | match details | Napoli Challenger | Clay |
| 09.09.10 | 2nd round | Fabio Fognini | Alessandro Giannessi | 6-3, 6-4 | | match details | Genova Challenger | Clay |
| 08.09.10 | 1st round | Alessandro Giannessi | Adrian Garcia | 6-1, 1-0, Adrian Garcia - retired | | match details | ||
| 30.08.10 | 1/4 | Riccardo Sinicropi | Alessandro Giannessi | 1-6, 7-67, 6-3 | | match details | Italy F24 | Clay |
| 30.08.10 | 2nd round | Alessandro Giannessi | Miguel-Angel Reyes-Varela | 2-6, 6-3, 6-1 | | match details | ||
| 30.08.10 | 1st round | Alessandro Giannessi | Martin Trueva | 6-1, 6-2 | | match details | ||
| 26.07.10 | 1st round | Alessandro Giannessi | Giammarco Micolani | 6-1, 6-3 | | match details | Italy F19 | Clay |
| 26.07.10 | 2nd round | Alessandro Giannessi | Matteo Marrai | 6-2, 3-6, 6-3 | | match details | ||
| 26.07.10 | 1/4 | Francesco Aldi | Alessandro Giannessi | 3-6, 6-4, 7-67 | | match details | ||
| 13.07.10 | 1st round | Filippo Volandri | Alessandro Giannessi | 6-1, 4-0, Alessandro Giannessi - retired | | match details | Rimini Challenger | Clay |
| 30.06.10 | 1st round | Gianluca Naso | Alessandro Giannessi | 7-5, 6-3 | | match details | Turin Challenger | Clay |
| 21.06.10 | q 2 | Alberto Brizzi | Alessandro Giannessi | 6-1, 6-3 | | match details | Reggio Emilia | Clay |
| 21.06.10 | q 1 | Alessandro Giannessi | Olivier Charroin | 7-62, 4-6, 6-3 | | match details | ||
| 14.06.10 | 2nd round | Matteo Marrai | Alessandro Giannessi | 6-4, 6-1 | | match details | Italy F13 | Clay |
| 14.06.10 | 1st round | Alessandro Giannessi | Francesco Borgo | 6-3, 6-2 | | match details | ||
| 07.06.10 | 2nd round | Matteo Marrai | Alessandro Giannessi | 6-2, 6-4 | | match details | Italy F12 | Clay |
| 07.06.10 | 1st round | Alessandro Giannessi | Pedro Sousa | 1-6, 6-4, 6-0 | | match details | ||
| 31.05.10 | 1st round | Morgan Phillips | Alessandro Giannessi | 6-73, 6-2, 6-1 | | match details | Italy F11 | Clay |
| 24.05.10 | 1st round | Alessio di Mauro | Alessandro Giannessi | 7-5, 6-1 | | match details | Italy F10 | Clay |
| 10.05.10 | q 1 | Rogerio Dutra Da Silva | Alessandro Giannessi | 6-3, 7-65 | | match details | Biella Challenger | Clay |
| 06.05.10 | 2nd round | Laurent Recouderc | Alessandro Giannessi | 6-2, 6-2 | | match details | San Remo | Clay |
| 04.05.10 | 1st round | Alessandro Giannessi | Dominik Hrbaty | 7-63, 0-6, 7-5 | | match details | ||
| 24.04.10 | q 1 | Peter Luczak | Alessandro Giannessi | 6-1, 6-3 | | match details | Rome | Clay |
| 12.04.10 | 1st round | Dusan Lajovic | Alessandro Giannessi | 4-6, 6-3, 6-4 | | match details | Italy F4 | Clay |
| 25.01.10 | 1st round | Alessandro Giannessi | Ti Chen | 6-4, 7-5 | | match details | Usa F3 | Clay |
| 25.01.10 | 2nd round | Alessandro Giannessi | Bruno Rodriguez | 5-7, 6-2, 6-0 | | match details | ||
| 25.01.10 | 1/4 | Eric Prodon | Alessandro Giannessi | 6-3, 6-0 | | match details | ||
| 12.10.09 | 1st round | Alessandro Giannessi | Matteo Mauri | 6-1, 6-2 | | match details | Italy F32 | Clay |
| 12.10.09 | 2nd round | Stefano Ianni | Alessandro Giannessi | 6-3, 4-6, 6-1 | | match details | ||
| 07.09.09 | qual. | Roman Valent | Alessandro Giannessi | 6-4, 6-0 | | match details | Genova Challenger | Clay |
| 07.09.09 | q 1 | Alessandro Giannessi | Alberto Giraudo | 6-4, 3-1, Alberto Giraudo - retired | | match details | ||
| 07.09.09 | q 2 | Alessandro Giannessi | Thomas Fabbiano | Thomas Fabbiano - walk over | | match details | ||
| 31.08.09 | 1/4 | Daniele Giorgini | Alessandro Giannessi | 6-1, 7-63 | | match details | Italy F26 | Clay |
| 31.08.09 | 2nd round | Alessandro Giannessi | Pedro Sousa | 4-6, 6-4, Pedro Sousa - retired | | match details | ||
| 31.08.09 | 1st round | Alessandro Giannessi | Enrico Iannuzzi | 7-65, 6-75, 6-1 | | match details | ||
| 10.08.09 | 1st round | Alessandro Giannessi | Jan Blecha | 6-4, 6-2 | | match details | Italy F23 | Clay |
| 10.08.09 | 2nd round | Alessandro Giannessi | Johannes Ager | 3-6, 6-3, 7-5 | | match details | ||
| 10.08.09 | 1/4 | Philipp Oswald | Alessandro Giannessi | 6-3, 7-64 | | match details | ||
| 03.08.09 | 1/4 | Daniele Giorgini | Alessandro Giannessi | 6-1, 7-66 | | match details | Italy F22 | Clay |
| 03.08.09 | 1st round | Alessandro Giannessi | Alessandro Accardo | 6-3, 7-66 | | match details | ||
| 03.08.09 | 2nd round | Alessandro Giannessi | Martin Rmus | 6-0, 7-64 | | match details | ||
| 27.07.09 | 1st round | Marco Sattanino | Alessandro Giannessi | 7-5, 0-6, 6-4 | | match details | Italy F21 | Clay |
| 20.07.09 | 1st round | Stefano Ianni | Alessandro Giannessi | 6-2, 6-4 | | match details | Italy F20 | Clay |
| 13.07.09 | 1st round | Alessandro Giannessi | Claudio Grassi | 6-3, 6-4 | | match details | Italy F19 | Clay |
| 13.07.09 | 2nd round | Federico Gaio | Alessandro Giannessi | 7-65, 6-0 | | match details | ||
| 15.06.09 | 2nd round | Philipp Oswald | Alessandro Giannessi | 6-1, 6-3 | | match details | Italy F15 | Clay |
| 15.06.09 | 1st round | Alessandro Giannessi | Herbert Wiltschnig | 4-6, 6-2, 6-1 | | match details | ||
| 08.06.09 | 1st round | Alessandro Giannessi | Adam Hubble | 7-63, 7-65 | | match details | Italy F14 | Clay |
| 08.06.09 | 2nd round | Matteo Viola | Alessandro Giannessi | 2-6, 6-4, 6-1 | | match details | ||
| 25.05.09 | 1st round | Federico Gaio | Alessandro Giannessi | 7-63, 7-65 | | match details | Italy F12 | Clay |
| 18.05.09 | 1st round | Daniele Giorgini | Alessandro Giannessi | 6-2, 7-63 | | match details | Italy F11 | Clay |
| 06.04.09 | 1st round | Gabriel Trujillo-Soler | Alessandro Giannessi | 6-3, 6-1 | | match details | Italy F6 | Clay |
| 16.03.09 | 1st round | Nicolas Reissig | Alessandro Giannessi | 7-63, 2-6, 6-3 | | match details | Italy F3 | Clay |
| 29.09.08 | 1st round | David Ollivier-Baquero | Alessandro Giannessi | 7-64, 7-65 | | match details | Italy F33 | Clay |
| 04.09.07 | 1st round | Daniele Giorgini | Alessandro Giannessi | 6-2, 6-0 | | match details | Genova | Clay |
| 13.08.07 | 1st round | Alexandre Sidorenko | Alessandro Giannessi | 7-5, 6-4 | | match details | Cordenons | Clay |
