Name: Gonzalo Villanueva
Country: Argentina
Birthdate: 13.01.95, 29 years
ATP ranking: 423
TOP ranking's position: 268 (10.10.22, 189 points)
Points: 111
Prize money: 176463 $
Matches total: 698
Win: 397
%: 56.88 %
Country: Argentina
Birthdate: 13.01.95, 29 years
ATP ranking: 423
TOP ranking's position: 268 (10.10.22, 189 points)
Points: 111
Prize money: 176463 $
Matches total: 698
Win: 397
%: 56.88 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2024 | 18/13 | 0/0 | 18/13 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2023 | 44/40 | 5/4 | 39/36 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2022 | 32/34 | 1/5 | 31/29 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2021 | 28/29 | 5/10 | 23/19 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2020 | 6/6 | 0/0 | 6/6 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2019 | 52/25 | 2/2 | 50/23 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2018 | 49/22 | 0/0 | 49/22 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2017 | 24/26 | 0/2 | 24/24 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2016 | 38/26 | 1/1 | 37/25 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2015 | 52/30 | 0/0 | 52/30 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2014 | 28/25 | 0/0 | 28/25 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2013 | 22/21 | 0/0 | 22/21 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2012 | 3/3 | 0/0 | 3/3 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2011 | 1/1 | 0/0 | 1/1 | 0/0 | 0/0 | 0/0 | 0/0 |
| TOTAL | 397/301 | 14/24 | 383/277 | 0/0 | 0/0 | 0/0 | 0/0 |
| perc. % | 56.88 % | 36.84 % | 58.03 % | 0 % | 0 % | 0 % | 0 % |
Gonzalo Villanueva / scheduled / last
| no matches found |
Gonzalo Villanueva form / surface: Clay
Gonzalo Villanueva / surface: Clay
| 23.04.24 | 1st round | Stefanos Sakellaridis | Gonzalo Villanueva | 6-3, 6-4 |  | match details |  Concepcion Challenger | Clay |
| 19.04.24 | 1/4 | Andrea Collarini | Gonzalo Villanueva | 6-3, 6-2 | | match details |  San Miguel | Clay |
| 18.04.24 | 2nd round | Gonzalo Villanueva | Mariano Kestelboim | 6-0, 5-2, Mariano Kestelboim - retired |  | match details | ||
| 16.04.24 | 1st round | Gonzalo Villanueva | Alejo Lorenzo Lingua Lavallen | 7-61, 6-3 | | match details | ||
| 02.04.24 | 1st round | Daniel Dutra Da Silva | Gonzalo Villanueva | 4-6, 7-65, 6-2 | | match details |  Florianopolis Challenger | Clay |
| 26.03.24 | 1st round | Juan Pablo Varillas | Gonzalo Villanueva | 7-5, 7-60 | | match details | Sao Leopoldo | Clay |
| 25.03.24 | qual. | Kaichi Uchida | Gonzalo Villanueva | 3-6, 6-1, 6-2 | | match details | ||
| 24.03.24 | q 1 | Gonzalo Villanueva | Rafael Tosetto | 6-2, 6-0 | | match details | ||
| 19.03.24 | 1st round | Nicolas Zanellato | Gonzalo Villanueva | 6-3, 6-4 | | match details |  Asuncion Challenger | Clay |
| 18.03.24 | qual. | Gonzalo Villanueva | Conner Huertas Del Pino | 6-3, 6-1 | | match details | ||
| 17.03.24 | q 1 | Gonzalo Villanueva | Ignacio Carou | 6-1, 6-1 | | match details | ||
| 10.03.24 | q 1 | Gabi Adrian Boitan | Gonzalo Villanueva | 7-65, 6-3 | | match details | Santiago Challenger | Clay |
| 05.03.24 | 1st round | Gabi Adrian Boitan | Gonzalo Villanueva | 6-0, 6-3 | | match details |  Santa Cruz | Clay |
| 04.03.24 | qual. | Gonzalo Villanueva | Alex Rybakov | 6-1, 4-6, Alex Rybakov - retired | | match details | ||
| 03.03.24 | q 1 | Gonzalo Villanueva | Marcelo Zormann | 4-2, Marcelo Zormann - retired | | match details | ||
| 16.02.24 | 1/4 | Alvaro Guillen Meza | Gonzalo Villanueva | 5-7, 6-4, 6-3 | | match details |  M25 Punta | Clay |
| 15.02.24 | 2nd round | Gonzalo Villanueva | Alex Barrena | 4-6, 6-4, 6-4 | | match details | ||
| 14.02.24 | 1st round | Gonzalo Villanueva | Rafael Tosetto | 6-2, 6-75, 6-4 | | match details | ||
| 10.02.24 | 1/2 | Gonzalo Bueno | Gonzalo Villanueva | 6-3, 6-4 | | match details | M25 Punta | Clay |
| 09.02.24 | 1/4 | Gonzalo Villanueva | Federico Aguilar Cardozo | 6-3, 6-2 | | match details | ||
| 08.02.24 | 2nd round | Gonzalo Villanueva | Paulo Andre Saraiva Dos Santos | 6-1, 4-6, 7-5 | | match details | ||
| 06.02.24 | 1st round | Gonzalo Villanueva | Joao Lucas Reis Da Silva | 0-6, 6-4, 6-2 | | match details | ||
| 30.01.24 | qual. | Gonzalo Villanueva | Mariano Kestelboim | 6-2, 7-5 | | match details | Piracicaba Challenger | Clay |
| 30.01.24 | 1st round | Hernan Casanova | Gonzalo Villanueva | 6-2, 6-4 | | match details | ||
| 29.01.24 | q 1 | Gonzalo Villanueva | Fernando Yamacita | 6-2, 6-0 | | match details | ||
| 17.01.24 | 1st round | Damien Wenger | Gonzalo Villanueva | 7-65, 6-4 | | match details | Tigre Challenger | Clay |
| 15.01.24 | qual. | Gonzalo Villanueva | Gerard Campana Lee | 6-4, 7-64 | | match details | ||
| 14.01.24 | q 1 | Gonzalo Villanueva | Gilbert Klier Junior | 7-5, 6-4 | | match details | ||
| 09.01.24 | 1st round | Oleksii Krutykh | Gonzalo Villanueva | 4-6, 7-5, 7-62 | | match details | Buenos Aires | Clay |
| 08.01.24 | qual. | Gonzalo Villanueva | Adolfo Daniel Vallejo | 6-2, 6-4 | | match details | ||
| 07.01.24 | q 1 | Gonzalo Villanueva | Vito Antonio Darderi | 6-1, 6-0 | | match details | ||
| 16.12.23 | fin | Gonzalo Villanueva | Facundo Mena | 6-3, 6-4 | | match details | M15 Concepcion | Clay |
| 15.12.23 | 1/2 | Gonzalo Villanueva | Ignacio Antonio Becerra Otarola | 6-0, 6-1 | | match details | ||
| 14.12.23 | 1/4 | Gonzalo Villanueva | Diego Fernandez Flores | 6-0, 7-68 | | match details | ||
| 13.12.23 | 2nd round | Gonzalo Villanueva | Miguel Angel Cabrera | 6-3, 6-1 | | match details | ||
| 11.12.23 | 1st round | Gonzalo Villanueva | Fernando Cavallo | 6-2, 6-0 | | match details | ||
| 08.12.23 | 1/4 | Nicolas Kicker | Gonzalo Villanueva | 6-3, 6-73, 6-3 | | match details | M15 Concepcion | Clay |
| 07.12.23 | 2nd round | Gonzalo Villanueva | Manuel Mouilleron Salvo | 6-1, 7-65 | | match details | ||
| 05.12.23 | 1st round | Gonzalo Villanueva | Nicolas Villalon | 6-1, 6-3 | | match details | ||
| 12.11.23 | q 1 | Santiago Rodriguez Taverna | Gonzalo Villanueva | 7-5, 7-5 | | match details | Montevideo Challenger | Clay |
| 05.11.23 | q 1 | Orlando Luz | Gonzalo Villanueva | 6-3, 6-78, 6-4 | | match details |  Lima 2 | Clay |
| 23.10.23 | qual. | Gilbert Klier Junior | Gonzalo Villanueva | 6-4, 6-2 | | match details | Curitiba Challenger | Clay |
| 22.10.23 | q 1 | Gonzalo Villanueva | Kaua Lorenzo Santos Gava | 6-2, 6-0 | | match details | ||
| 16.10.23 | qual. | Carlos Taberner | Gonzalo Villanueva | 6-1, 6-4 | | match details | Santa Fe | Clay |
| 15.10.23 | q 1 | Gonzalo Villanueva | Alvaro Guillen Meza | 6-3, 4-6, 6-3 | | match details | ||
| 12.10.23 | 2nd round | Franco Agamenone | Gonzalo Villanueva | 7-62, 6-2 | | match details | Buenos Aires | Clay |
| 10.10.23 | 1st round | Gonzalo Villanueva | Juan Bautista Torres | 2-6, 6-2, 6-3 | | match details | ||
| 09.10.23 | qual. | Gonzalo Villanueva | Alex Barrena | 6-4, 6-3 | | match details | ||
| 08.10.23 | q 1 | Gonzalo Villanueva | Nicolas Mejia | 6-4, 6-2 | | match details | ||
| 06.10.23 | 1/4 | Luciano Emanuel Ambrogi | Gonzalo Villanueva | 6-3, 6-4 | | match details | M25 Mendoza | Clay |
| 05.10.23 | 2nd round | Gonzalo Villanueva | Facundo Juarez | 7-5, 6-4 | | match details | ||
| 03.10.23 | 1st round | Gonzalo Villanueva | Fernando Cavallo | 5-7, 6-1, 6-0 | | match details | ||
| 28.09.23 | 2nd round | Juan Carlos Prado Angelo | Gonzalo Villanueva | 6-2, 6-4 | | match details | M25 Lujan | Clay |
| 26.09.23 | 1st round | Gonzalo Villanueva | Juan Estevez | 6-3, 6-0 | | match details | ||
| 13.09.23 | 2nd round | Genaro Alberto Olivieri | Gonzalo Villanueva | 6-4, 3-6, 6-1 | | match details | Santa Cruz | Clay |
| 12.09.23 | 1st round | Gonzalo Villanueva | Jose Pereira | 7-64, 6-2 | | match details | ||
| 11.09.23 | qual. | Gonzalo Villanueva | Jorge Brian Panta Herreros | 6-2, 6-3 | | match details | ||
| 10.09.23 | q 1 | Gonzalo Villanueva | Boris Arias | 6-3, 7-61 | | match details | ||
| 01.09.23 | 1/4 | Gilbert Klier Junior | Gonzalo Villanueva | 6-3, 6-1 | | match details | M15 Buenos | Clay |
| 31.08.23 | 2nd round | Gonzalo Villanueva | Vitor Leal | 7-5, 6-2 | | match details | ||
| 29.08.23 | 1st round | Gonzalo Villanueva | Mateo Barreiros Reyes | 6-4, 7-5 | | match details | ||
| 23.08.23 | 2nd round | Renzo Olivo | Gonzalo Villanueva | 0-6, 6-3, 6-4 | | match details | Lima Challenger | Clay |
| 22.08.23 | 1st round | Gonzalo Villanueva | Juan Carlos Prado Angelo | 6-3, 1-6, 7-5 | | match details | ||
| 17.08.23 | 2nd round | Ignacio Carou | Gonzalo Villanueva | 7-5, 6-2 | | match details | M25 Trujillo | Clay |
| 15.08.23 | 1st round | Gonzalo Villanueva | Fermin Tenti | 6-3, 6-1 | | match details | ||
| 08.08.23 | 1st round | Federico Agustin Gomez | Gonzalo Villanueva | 2-6, 6-3, 7-62 | | match details |  Cordenons Challenger | Clay |
| 07.08.23 | qual. | Gonzalo Villanueva | Marcello Serafini | 6-2, 6-1 | | match details | ||
| 06.08.23 | q 1 | Gonzalo Villanueva | Benito Massacri | 6-1, 6-2 | | match details | ||
| 30.07.23 | q 1 | Daniel Dutra Da Silva | Gonzalo Villanueva | 6-0, 6-1 | | match details |  San Marino | Clay |
| 24.07.23 | qual. | Stefano Napolitano | Gonzalo Villanueva | 6-75, 6-4, 6-4 | | match details | Verona Challenger | Clay |
| 23.07.23 | q 1 | Gonzalo Villanueva | Alexander Weis | 7-64, 3-6, 6-4 | | match details | ||
| 18.07.23 | 1st round | Fabian Marozsan | Gonzalo Villanueva | 6-2, 7-63 | | match details | Trieste Challenger | Clay |
| 17.07.23 | qual. | Stefano Napolitano | Gonzalo Villanueva | 6-75, 6-2, 6-3 | | match details | ||
| 16.07.23 | q 1 | Gonzalo Villanueva | Mircea-Alexandru Jecan | 6-3, 3-6, 6-1 | | match details | ||
| 09.07.23 | q 1 | Luca Castagnola | Gonzalo Villanueva | 6-3, 7-5 | | match details | San Benedetto | Clay |
| 02.07.23 | q 1 | Valerio Aboian | Gonzalo Villanueva | 6-0, 6-4 | | match details |  Troyes Challenger | Clay |
| 27.06.23 | 1st round | Samuele Pieri | Gonzalo Villanueva | 6-1, 6-4 | | match details | M15 Bergamo | Clay |
| 18.06.23 | q 1 | Maxime Janvier | Gonzalo Villanueva | 6-3, 6-4 | | match details | Montechiarugolo Challenger | Clay |
| 11.06.23 | q 1 | Nino Serdarusic | Gonzalo Villanueva | 4-6, 7-5, 6-3 | | match details | Perugia Challenger | Clay |
| 08.06.23 | 2nd round | Sebastian Gima | Gonzalo Villanueva | 2-6, 6-4, 6-1 | | match details |  M25 Kursumlijska | Clay |
| 07.06.23 | 1st round | Gonzalo Villanueva | Aleksei Khomich | 7-5, 6-3 | | match details | ||
| 02.06.23 | 1/4 | Pedro Boscardin Dias | Gonzalo Villanueva | 6-1, 6-4 | | match details |  M25 Kiseljak | Clay |
| 01.06.23 | 2nd round | Gonzalo Villanueva | Samuel Puskar | 6-3, 6-4 | | match details | ||
| 31.05.23 | 1st round | Gonzalo Villanueva | Corey Gaal | 7-5, 6-2 | | match details | ||
| 21.05.23 | q 1 | Mathias Bourgue | Gonzalo Villanueva | 6-2, 6-2 | | match details |  Skopje Challenger | Clay |
| 01.05.23 | 1st round | Murkel Alejandro Dellien Velasco | Gonzalo Villanueva | 6-3, 6-4 | | match details | Coquimbo Challenger | Clay |
| 28.04.23 | 1/4 | Andrea Collarini | Gonzalo Villanueva | 6-2, 6-1 | | match details | Buenos Aires | Clay |
| 26.04.23 | 2nd round | Gonzalo Villanueva | Nick Hardt | 7-5, 1-6, 7-5 | | match details | ||
| 24.04.23 | 1st round | Gonzalo Villanueva | Gonzalo Lama | 7-66, 7-62 | | match details | ||
| 19.04.23 | 1st round | Guido Ivan Justo | Gonzalo Villanueva | 6-3, 6-72, 6-2 | | match details | Florianopolis Challenger | Clay |
| 14.03.23 | 1st round | Andrea Pellegrino | Gonzalo Villanueva | 6-0, 6-2 | | match details | Vina del | Clay |
| 13.03.23 | qual. | Wilson Leite | Gonzalo Villanueva | 6-3, 6-3 | | match details | ||
| 12.03.23 | q 1 | Gonzalo Villanueva | Bor Artnak | 6-78, 6-4, 6-2 | | match details | ||
| 07.03.23 | 1st round | Hernan Casanova | Gonzalo Villanueva | 6-0, 6-1 | | match details | Santiago Challenger | Clay |
| 06.03.23 | qual. | Federico Gaio | Gonzalo Villanueva | 6-4, 6-4 | | match details | ||
| 05.03.23 | q 1 | Gonzalo Villanueva | Ignacio Antonio Becerra Otarola | 6-2, 6-0 | | match details | ||
| 22.01.23 | q 1 | Thiago Seyboth Wild | Gonzalo Villanueva | 6-3, 7-65 | | match details | Concepcion Challenger | Clay |
| 16.01.23 | qual. | Edoardo Lavagno | Gonzalo Villanueva | 6-4, 6-4 | | match details | Piracicaba Challenger | Clay |
| 15.01.23 | q 1 | Gonzalo Villanueva | Matheus Cury Bueres | 6-2, 6-0 | | match details | ||
| 13.01.23 | 1/4 | Jesper De Jong | Gonzalo Villanueva | 6-2, 7-60 | | match details | Tigre 2 | Clay |
| 12.01.23 | 2nd round | Gonzalo Villanueva | Carlos Sanchez Jover | 6-4, 6-2 | | match details | ||
| 10.01.23 | 1st round | Gonzalo Villanueva | Evan Zhu | 6-1, 2-6, 6-2 | | match details | ||
| 07.01.23 | 1/2 | Murkel Alejandro Dellien Velasco | Gonzalo Villanueva | 6-4, 6-0 | | match details | Tigre 1 | Clay |
| 06.01.23 | 1/4 | Gonzalo Villanueva | Valerio Aboian | 7-5, 6-75, 6-4 | | match details | ||
| 05.01.23 | 2nd round | Gonzalo Villanueva | Remy Bertola | 6-2, 6-3 | | match details | ||
| 04.01.23 | 1st round | Gonzalo Villanueva | Oriol Roca Batalla | 6-2, 2-6, 6-3 | | match details | ||
| 15.11.22 | 1st round | Facundo Diaz Acosta | Gonzalo Villanueva | 6-3, 6-3 | | match details | Sao Leopoldo | Clay |
| 08.11.22 | 1st round | Juan Pablo Paz | Gonzalo Villanueva | 6-4, 7-69 | | match details | Montevideo Challenger | Clay |
| 07.11.22 | qual. | Federico Zeballos | Gonzalo Villanueva | 6-3, 6-4 | | match details | ||
| 06.11.22 | q 1 | Gonzalo Villanueva | Dario Acosta | 7-60, 6-3 | | match details | ||
| 23.10.22 | q 1 | Alvaro Guillen Meza | Gonzalo Villanueva | Gonzalo Villanueva - walk over | | match details | Lima 2 | Clay |
| 18.10.22 | 1st round | Juan Manuel Cerundolo | Gonzalo Villanueva | 6-4, 6-3 | | match details | Coquimbo 2 | Clay |
| 11.10.22 | 1st round | Marco Cecchinato | Gonzalo Villanueva | 6-4, 6-2 | | match details | Rio De | Clay |
| 05.10.22 | 2nd round | Facundo Mena | Gonzalo Villanueva | 6-4, 5-7, 6-2 | | match details | Campinas Challenger | Clay |
| 04.10.22 | 1st round | Gonzalo Villanueva | Jose Pereira | 0-6, 6-4, 6-3 | | match details | ||
| 03.10.22 | qual. | Gonzalo Villanueva | Wilson Leite | 6-3, 6-4 | | match details | ||
| 02.10.22 | q 1 | Gonzalo Villanueva | Pedro Sakamoto | 1-6, 3-2, Pedro Sakamoto - retired | | match details | ||
| 26.09.22 | 1st round | Yannick Hanfmann | Gonzalo Villanueva | 6-2, 6-4 | | match details | Buenos Aires | Clay |
| 20.09.22 | 1st round | Mariano Navone | Gonzalo Villanueva | 7-65, 6-3 | | match details | Villa Maria | Clay |
| 04.09.22 | q 1 | Sandro Kopp | Gonzalo Villanueva | 7-64, 6-2 | | match details |  Tulln Challenger | Clay |
| 30.08.22 | 1st round | Riccardo Bonadio | Gonzalo Villanueva | 6-4, 6-74, 7-65 | | match details | Como Challenger | Clay |
| 25.08.22 | 2nd round | Alexey Vatutin | Gonzalo Villanueva | 6-4, 6-0 | | match details | Banja Luka | Clay |
| 23.08.22 | 1st round | Gonzalo Villanueva | Mirza Basic | 7-67, 6-2 | | match details | ||
| 15.08.22 | 1st round | Roberto Carballes Baena | Gonzalo Villanueva | 6-0, 7-5 | | match details |  Santo Domingo | Clay |
| 08.08.22 | 1st round | Roman Andres Burruchaga | Gonzalo Villanueva | 6-2, 6-3 | | match details | Lima Challenger | Clay |
| 06.07.22 | 2nd round | Roberto Quiroz | Gonzalo Villanueva | 7-5, 6-4 | | match details |  Bogota Challenger | Clay |
| 04.07.22 | 1st round | Gonzalo Villanueva | Andres Urrea | 6-4, 6-1 | | match details | ||
| 28.06.22 | 1st round | Roman Andres Burruchaga | Gonzalo Villanueva | 6-1, 6-1 | | match details | Cali Challenger | Clay |
| 24.06.22 | 1/4 | Malek Jaziri | Gonzalo Villanueva | 6-2, 1-6, 6-3 | | match details | Buenos Aires | Clay |
| 23.06.22 | 2nd round | Gonzalo Villanueva | Guido Andreozzi | 7-63, 6-2 | | match details | ||
| 21.06.22 | 1st round | Gonzalo Villanueva | Leonardo Aboian | 6-4, 1-6, 6-1 | | match details | ||
| 13.06.22 | 1st round | Mariano Navone | Gonzalo Villanueva | 7-5, 6-4 | | match details | Corrientes Challenger | Clay |
| 10.05.22 | 1st round | Gonzalo Lama | Gonzalo Villanueva | 6-4, 4-6, 6-2 | | match details | Coquimbo Challenger | Clay |
| 07.05.22 | 1/2 | Tomas Barrios Vera | Gonzalo Villanueva | 6-70, 6-3, 6-4 | | match details | Salvador De | Clay |
| 06.05.22 | 1/4 | Gonzalo Villanueva | Daniel Dutra Da Silva | 6-2, 6-4 | | match details | ||
| 05.05.22 | 2nd round | Gonzalo Villanueva | Hernan Casanova | 6-3, 6-0 | | match details | ||
| 03.05.22 | 1st round | Gonzalo Villanueva | Felipe Meligeni Alves | 7-5, 6-4 | | match details | ||
| 29.04.22 | 1/4 | Camilo Ugo Carabelli | Gonzalo Villanueva | 6-4, 6-2 | | match details | Buenos Aires | Clay |
| 28.04.22 | 2nd round | Gonzalo Villanueva | Roman Andres Burruchaga | 7-5, 6-1 | | match details | ||
| 26.04.22 | 1st round | Gonzalo Villanueva | Joao Menezes | 3-6, 6-4, 6-3 | | match details | ||
| 10.04.22 | fin | Gonzalo Villanueva | Franco Emanuel Egea | 3-6, 6-4, 6-1 | | match details | M25 Rosario | Clay |
| 09.04.22 | 1/2 | Gonzalo Villanueva | Roman Andres Burruchaga | 7-5, 4-6, 6-2 | | match details | ||
| 08.04.22 | 1/4 | Gonzalo Villanueva | Santiago Rodriguez Taverna | 3-6, 6-4, 6-0 | | match details | ||
| 07.04.22 | 2nd round | Gonzalo Villanueva | Juan Ignacio Galarza | 7-65, 6-4 | | match details | ||
| 06.04.22 | 1st round | Gonzalo Villanueva | Nicolas Zanellato | 6-4, 6-4 | | match details | ||
| 03.04.22 | fin | Santiago Rodriguez Taverna | Gonzalo Villanueva | 4-6, 6-3, 6-3 | | match details | M25 Rosario | Clay |
| 02.04.22 | 1/2 | Gonzalo Villanueva | Oliver Crawford | 7-64, 6-0 | | match details | ||
| 01.04.22 | 1/4 | Gonzalo Villanueva | Alejo Lorenzo Lingua Lavallen | 4-6, 6-3, 7-5 | | match details | ||
| 31.03.22 | 2nd round | Gonzalo Villanueva | Juan Bautista Otegui | 7-5, 6-2 | | match details | ||
| 30.03.22 | 1st round | Gonzalo Villanueva | Francisco Llanes | 6-2, 6-4 | | match details | ||
| 22.03.22 | 1st round | Santiago Rodriguez Taverna | Gonzalo Villanueva | 7-5, 7-64 | | match details | Santa Cruz | Clay |
| 21.03.22 | qual. | Nicolas Barrientos | Gonzalo Villanueva | 6-3, 3-6, 6-2 | | match details | ||
| 20.03.22 | q 1 | Gonzalo Villanueva | Ignacio Carou | 6-2, 6-4 | | match details | ||
| 15.03.22 | 1st round | Nicolas Jarry | Gonzalo Villanueva | 6-2, 6-1 | | match details | Concepcion 2 | Clay |
| 14.03.22 | qual. | Gonzalo Villanueva | Nicolas Villalon | 6-0, 6-1 | | match details | ||
| 13.03.22 | q 1 | Gonzalo Villanueva | Murkel Alejandro Dellien Velasco | 6-4, 6-1 | | match details | ||
| 25.01.22 | 1st round | Zdenek Kolar | Gonzalo Villanueva | 7-5, 4-6, 6-2 | | match details | Santa Cruz | Clay |
| 24.01.22 | qual. | Gonzalo Villanueva | Michel Vernier | 6-4, 6-4 | | match details | ||
| 19.01.22 | 2nd round | Gonzalo Lama | Gonzalo Villanueva | 2-6, 6-4, 6-4 | | match details | Concepcion Challenger | Clay |
| 17.01.22 | 1st round | Gonzalo Villanueva | Andrej Martin | 6-2, 6-3 | | match details | ||
| 14.01.22 | 1/4 | Juan Pablo Paz | Gonzalo Villanueva | 6-3, 6-4 | | match details | Blumenau Challenger | Clay |
| 12.01.22 | 2nd round | Gonzalo Villanueva | Ignacio Carou | 1-6, 6-1, 6-2 | | match details | ||
| 11.01.22 | 1st round | Gonzalo Villanueva | Carlos Gimeno Valero | 0-6, 6-3, 6-1 | | match details | ||
| 07.01.22 | 1/4 | Facundo Diaz Acosta | Gonzalo Villanueva | 6-3, 6-2 | | match details | Buenos Aires | Clay |
| 06.01.22 | 2nd round | Gonzalo Villanueva | Genaro Alberto Olivieri | 6-4, 6-1 | | match details | ||
| 04.01.22 | 1st round | Gonzalo Villanueva | Alec Deckers | 7-62, 6-4 | | match details | ||
| 09.12.21 | 2nd round | Nicolas Barrientos | Gonzalo Villanueva | 7-63, 6-1 | | match details | Florianopolis Challenger | Clay |
| 07.12.21 | 1st round | Gonzalo Villanueva | Pedro Boscardin Dias | 4-6, 7-5, 6-2 | | match details | ||
| 30.11.21 | 1st round | Facundo Diaz Acosta | Gonzalo Villanueva | 7-5, 6-1 | | match details | Sao Paulo | Clay |
| 29.11.21 | qual. | Gonzalo Villanueva | Alejandro Gomez | 6-4, 7-64 | | match details | ||
| 28.11.21 | q 1 | Gonzalo Villanueva | Tomas Lipovsek Puches | 3-6, 6-3, 6-1 | | match details | ||
| 21.11.21 | q 1 | Luca Castelnuovo | Gonzalo Villanueva | 7-61, 3-6, 6-3 | | match details | Brasilia Challenger | Clay |
| 14.11.21 | q 1 | Hernan Casanova | Gonzalo Villanueva | 7-64, 4-6, 7-5 | | match details | Campinas Challenger | Clay |
| 09.11.21 | 1st round | Facundo Bagnis | Gonzalo Villanueva | 6-1, 7-64 | | match details | Montevideo Challenger | Clay |
| 08.11.21 | qual. | Gonzalo Villanueva | Tomas Lipovsek Puches | 6-3, 6-2 | | match details | ||
| 07.11.21 | q 1 | Gonzalo Villanueva | Rodrigo Arus | 6-1, 6-0 | | match details | ||
| 27.10.21 | 2nd round | Tomas Barrios Vera | Gonzalo Villanueva | 7-5, 6-1 | | match details | Lima 2 | Clay |
| 26.10.21 | 1st round | Gonzalo Villanueva | Dimitar Kuzmanov | 7-5, 6-1 | | match details | ||
| 25.10.21 | qual. | Gonzalo Villanueva | Cristian Rodriguez | 6-75, 6-3, 6-2 | | match details | ||
| 24.10.21 | q 1 | Gonzalo Villanueva | Gonzalo Bueno | 6-1, 6-76, 6-4 | | match details | ||
| 15.10.21 | 1/4 | Jonathan Mridha | Gonzalo Villanueva | 7-5, 7-65 | | match details | M25 Lima | Clay |
| 14.10.21 | 2nd round | Gonzalo Villanueva | Franco Roncadelli | 6-2, 6-2 | | match details | ||
| 12.10.21 | 1st round | Gonzalo Villanueva | Luca Castelnuovo | 4-6, 6-4, 6-4 | | match details | ||
| 06.10.21 | 1st round | Wilson Leite | Gonzalo Villanueva | 6-3, 6-4 | | match details | M25 Lima | Clay |
| 26.09.21 | q 1 | Jean Thirouin | Gonzalo Villanueva | 6-3, 1-6, 6-1 | | match details | Lima Challenger | Clay |
| 19.09.21 | q 1 | Luca Castelnuovo | Gonzalo Villanueva | 7-64, 7-64 | | match details |  Ambato Challenger | Clay |
| 14.09.21 | 1st round | Renzo Olivo | Gonzalo Villanueva | 6-4, 6-4 | | match details | Quito Challenger | Clay |
| 06.09.21 | qual. | Neil Oberleitner | Gonzalo Villanueva | 7-5, 6-2 | | match details | Tulln Challenger | Clay |
| 05.09.21 | q 1 | Gonzalo Villanueva | Pavel Nejedly | 6-2, 6-4 | | match details | ||
| 01.09.21 | 1st round | Peter Goldsteiner | Gonzalo Villanueva | 6-4, 6-3 | | match details |  M15 Zilina | Clay |
| 04.07.21 | 1/2 | Liam Draxl | Gonzalo Villanueva | 6-4, 3-6, 6-3 | | match details |  M15 Weston | Clay |
| 03.07.21 | 1/4 | Gonzalo Villanueva | Cannon Kingsley | 6-4, 6-74, 6-2 | | match details | ||
| 02.07.21 | 1st round | Gonzalo Villanueva | Kyle Seelig | 3-6, 7-64, 7-64 | | match details | ||
| 02.07.21 | 2nd round | Gonzalo Villanueva | Axel Nefve | 2-6, 6-1, 10-8 | | match details | ||
| 06.04.21 | qual. | Valerio Aboian | Gonzalo Villanueva | 7-60, 6-3 | | match details | M15 Cordoba | Clay |
| 05.04.21 | q 2 | Gonzalo Villanueva | Mateo Berne | 6-3, 6-1 | | match details | ||
| 04.04.21 | q 1 | Gonzalo Villanueva | Ezequiel Fagotti | 6-0, 6-2 | | match details | ||
| 01.04.21 | 2nd round | Matheus Pucinelli De Almeida | Gonzalo Villanueva | 6-4, 6-3 | | match details | M15 Villa | Clay |
| 31.03.21 | 1st round | Gonzalo Villanueva | Luciano Carraro | 7-5, 0-6, 6-4 | | match details | ||
| 17.03.21 | 2nd round | Sebastian Baez | Gonzalo Villanueva | 7-5, 6-2 | | match details | Santiago Challenger | Clay |
| 16.03.21 | 1st round | Gonzalo Villanueva | Andrea Collarini | 6-4, 6-4 | | match details | ||
| 15.03.21 | qual. | Gonzalo Villanueva | Carlos Gomez-Herrera | 6-4, 6-3 | | match details | ||
| 14.03.21 | q 1 | Gonzalo Villanueva | Daniel Antonio Nunez | 3-6, 6-3, 7-63 | | match details | ||
| 27.02.21 | 1/2 | Corentin Denolly | Gonzalo Villanueva | 7-64, 6-2 | | match details | M25 Naples | Clay |
| 26.02.21 | 1/4 | Gonzalo Villanueva | Martin Damm | 5-7, 7-60, 7-66 | | match details | ||
| 25.02.21 | 2nd round | Gonzalo Villanueva | Michael Redlicki | 7-5, 3-6, 6-0 | | match details | ||
| 24.02.21 | 1st round | Gonzalo Villanueva | Darian King | 6-3, 6-0 | | match details | ||
| 17.02.21 | 1st round | Stefan Kozlov | Gonzalo Villanueva | 6-3, 6-2 | | match details | M25 Naples | Clay |
| 05.03.20 | 2nd round | Nicolas Alberto Arreche | Gonzalo Villanueva | 6-4, 7-5 | | match details | M25 Hurlingham | Clay |
| 04.03.20 | 1st round | Gonzalo Villanueva | Jose Pereira | 6-4, 6-1 | | match details | ||
| 26.02.20 | 1st round | Facundo Diaz Acosta | Gonzalo Villanueva | 6-2, 7-5 | | match details | M25 Cordoba | Clay |
| 20.02.20 | 1/4 | Santiago Rodriguez Taverna | Gonzalo Villanueva | 3-6, 6-1, 6-4 | | match details | M25 Punta | Clay |
| 19.02.20 | 2nd round | Gonzalo Villanueva | Mariano Kestelboim | 6-1, 6-73, 6-2 | | match details | ||
| 18.02.20 | 1st round | Gonzalo Villanueva | Agustin Riquelme | 6-1, 6-1 | | match details | ||
| 15.02.20 | 1/4 | Pedro Sakamoto | Gonzalo Villanueva | 6-3, 6-4 | | match details | M25 Lima | Clay |
| 14.02.20 | 2nd round | Gonzalo Villanueva | Martin Cuevas | 7-5, 3-0, Martin Cuevas - retired | | match details | ||
| 12.02.20 | 1st round | Gonzalo Villanueva | Gonzalo Bueno | 6-2, 6-1 | | match details | ||
| 05.02.20 | 1st round | Tomas Barrios Vera | Gonzalo Villanueva | 6-3, 6-3 | | match details | M25 Lima | Clay |
| 29.01.20 | 2nd round | Marco Cecchinato | Gonzalo Villanueva | 6-0, 6-3 | | match details | Punta Del | Clay |
| 27.01.20 | 1st round | Gonzalo Villanueva | Juan Martin Fumeaux | 6-2, 6-0 | | match details | ||
| 19.11.19 | 1st round | Roberto Cid Subervi | Gonzalo Villanueva | 4-6, 6-0, 6-3 | | match details | M25 Naples | Clay |
| 04.11.19 | 1st round | Rafael Matos | Gonzalo Villanueva | 4-6, 6-0, 6-2 | | match details | Montevideo Challenger | Clay |
| 29.10.19 | 2nd round | Pedro Sousa | Gonzalo Villanueva | 6-2, 6-2 | | match details | Guayaquil Challenger | Clay |
| 28.10.19 | 1st round | Gonzalo Villanueva | Cayetano March | 6-4, 6-3 | | match details | ||
| 21.10.19 | 1st round | Pedja Krstin | Gonzalo Villanueva | 6-3, 6-0 | | match details | Lima Challenger | Clay |
| 08.10.19 | 2nd round | Hugo Dellien | Gonzalo Villanueva | 6-2, 6-3 | | match details | Santo Domingo | Clay |
| 07.10.19 | 1st round | Gonzalo Villanueva | Andres Molteni | 4-6, 6-4, 6-2 | | match details | ||
| 02.10.19 | 2nd round | Alejandro Tabilo | Gonzalo Villanueva | 6-0, 6-3 | | match details | Campinas Challenger | Clay |
| 01.10.19 | 1st round | Gonzalo Villanueva | Fernando Romboli | 6-2, 6-2 | | match details | ||
| 24.09.19 | 1st round | Federico Zeballos | Gonzalo Villanueva | 6-4, 6-1 | | match details | Buenos Aires | Clay |
| 22.09.19 | fin | Gonzalo Villanueva | Maximiliano Estevez | 4-6, 6-4, 6-1 | | match details | M15 Buenos | Clay |
| 21.09.19 | 1/2 | Gonzalo Villanueva | Genaro Alberto Olivieri | 6-4, 6-3 | | match details | ||
| 20.09.19 | 1/4 | Gonzalo Villanueva | Facundo Diaz Acosta | 7-5, 6-1 | | match details | ||
| 19.09.19 | 2nd round | Gonzalo Villanueva | Michel Vernier | 7-64, 3-6, 6-4 | | match details | ||
| 18.09.19 | 1st round | Gonzalo Villanueva | Federico Moreno | 6-1, 6-3 | | match details | ||
| 25.08.19 | fin | Gonzalo Villanueva | Joao Lucas Reis Da Silva | 6-1, 6-3 | | match details | M15 Lambare | Clay |
| 24.08.19 | 1/2 | Gonzalo Villanueva | Gabriel Alejandro Hidalgo | 6-4, 6-4 | | match details | ||
| 23.08.19 | 1/4 | Gonzalo Villanueva | Jorge Brian Panta Herreros | 6-3, 6-2 | | match details | ||
| 22.08.19 | 2nd round | Gonzalo Villanueva | Alex Blumenberg | 6-3, 6-3 | | match details | ||
| 21.08.19 | 1st round | Gonzalo Villanueva | Christian Oliveira | 6-1, 7-62 | | match details | ||
| 11.08.19 | fin | Gonzalo Villanueva | Michael Geerts | 6-4, 6-1 | | match details |  M15 Eupen | Clay |
| 10.08.19 | 1/4 | Gonzalo Villanueva | Daniel De Jonge | 4-6, 6-1, 6-0 | | match details | ||
| 10.08.19 | 1/2 | Gonzalo Villanueva | Genaro Alberto Olivieri | 6-2, 7-64 | | match details | ||
| 08.08.19 | 2nd round | Gonzalo Villanueva | Gauthier Onclin | 5-7, 6-2, 7-65 | | match details | ||
| 06.08.19 | 1st round | Gonzalo Villanueva | Colin Van Beem | 6-3, 6-4 | | match details | ||
| 02.08.19 | 1/4 | Jesper De Jong | Gonzalo Villanueva | 2-6, 6-3, 6-4 | | match details | M15 Brussels | Clay |
| 01.08.19 | 2nd round | Gonzalo Villanueva | Gauthier Onclin | 4-6, 6-2, 6-3 | | match details | ||
| 31.07.19 | 1st round | Gonzalo Villanueva | Daniel De Jonge | 6-3, 6-1 | | match details | ||
| 27.07.19 | 1/2 | Enrico Dalla Valle | Gonzalo Villanueva | 7-62, 6-1 | | match details | M25+H Pontedera | Clay |
| 26.07.19 | 1/4 | Gonzalo Villanueva | Giovanni Fonio | 3-6, 6-1, 7-5 | | match details | ||
| 25.07.19 | 2nd round | Gonzalo Villanueva | Tomas Martin Etcheverry | 6-4, 1-0, Tomas Martin Etcheverry - retired | | match details | ||
| 23.07.19 | 1st round | Gonzalo Villanueva | Holger Rune | 7-67, 7-66 | | match details | ||
| 21.07.19 | fin | Gonzalo Villanueva | Francesco Passaro | 7-5, 6-2 | | match details | M15 Gubbio | Clay |
| 20.07.19 | 1/2 | Gonzalo Villanueva | Adelchi Virgili | 7-67, 2-6, 6-1 | | match details | ||
| 19.07.19 | 1/4 | Gonzalo Villanueva | Omar Giacalone | 6-1, 6-1 | | match details | ||
| 18.07.19 | 2nd round | Gonzalo Villanueva | Giovanni Rizzuti | 7-5, 6-3 | | match details | ||
| 17.07.19 | 1st round | Gonzalo Villanueva | David Barclay | 6-1, 6-1 | | match details | ||
| 11.07.19 | 2nd round | Francesco Forti | Gonzalo Villanueva | 7-5, 2-6, 7-5 | | match details | M25 Casinalbo | Clay |
| 10.07.19 | 1st round | Gonzalo Villanueva | Andres Gabriel Ciurletti | 6-1, 6-0 | | match details | ||
| 03.07.19 | 1st round | Alexandre Aubriot | Gonzalo Villanueva | 4-6, 6-4, 6-1 | | match details | M25 Bourg | Clay |
| 28.06.19 | 1/4 | Hugo Gaston | Gonzalo Villanueva | 6-4, 6-1 | | match details | M25 Montauban | Clay |
| 27.06.19 | 2nd round | Gonzalo Villanueva | Sadio Doumbia | 7-5, 6-3 | | match details | ||
| 25.06.19 | 1st round | Gonzalo Villanueva | Alejandro Gomez | 6-4, 5-7, 6-4 | | match details | ||
| 20.06.19 | 2nd round | Hugo Gaston | Gonzalo Villanueva | 6-3, 6-0 | | match details | M25+H Toulouse | Clay |
| 18.06.19 | 1st round | Gonzalo Villanueva | Giovanni Mpetshi Perricard | 7-67, 6-1 | | match details | ||
| 07.06.19 | 1/4 | Julian Lenz | Gonzalo Villanueva | 6-3, 6-0 | | match details |  M25 Karlsruhe | Clay |
| 06.06.19 | 2nd round | Gonzalo Villanueva | Bastien Presuhn | 6-3, 6-1 | | match details | ||
| 05.06.19 | 1st round | Gonzalo Villanueva | Antoine Cornut-Chauvinc | 7-5, 7-68 | | match details | ||
| 02.06.19 | 1/2 | Christopher O'Connell | Gonzalo Villanueva | 3-6, 6-4, 10-7 | | match details | M25 Kiseljak | Clay |
| 31.05.19 | 2nd round | Gonzalo Villanueva | Marko Tepavac | 6-4, 6-1 | | match details | ||
| 31.05.19 | 1/4 | Gonzalo Villanueva | Alen Rogic Hadzalic | Alen Rogic Hadzalic - walk over | | match details | ||
| 28.05.19 | 1st round | Gonzalo Villanueva | Juan Manuel Cerundolo | 7-62, 6-4 | | match details | ||
| 24.05.19 | 1/4 | David Pichler | Gonzalo Villanueva | 7-5, 6-2 | | match details | M15 Brcko | Clay |
| 23.05.19 | 2nd round | Gonzalo Villanueva | Kenneth Raisma | 7-5, 1-6, 6-2 | | match details | ||
| 22.05.19 | 1st round | Gonzalo Villanueva | Marek Semjan | 6-3, 6-3 | | match details | ||
| 10.05.19 | 2nd round | Gonzalo Villanueva | Santiago Rodriguez Taverna | 6-4, 6-1 | | match details | M15 Buenos | Clay |
| 10.05.19 | 1/4 | Genaro Alberto Olivieri | Gonzalo Villanueva | 6-0, 6-2 | | match details | ||
| 08.05.19 | 1st round | Gonzalo Villanueva | Oscar Gabriel Ortiz | 6-2, 6-3 | | match details | ||
| 02.05.19 | 2nd round | Thiago Agustin Tirante | Gonzalo Villanueva | 7-63, 6-2 | | match details | M15 Buenos | Clay |
| 30.04.19 | 1st round | Gonzalo Villanueva | Ignacio Monzon | 6-1, 7-61 | | match details | ||
| 03.04.19 | 1st round | Franco Agamenone | Gonzalo Villanueva | 1-6, 6-3, 6-3 | | match details | M15 Pinamar | Clay |
| 30.03.19 | 1/2 | Juan Ignacio Galarza | Gonzalo Villanueva | 6-2, 6-1 | | match details | M15 Pinamar | Clay |
| 29.03.19 | 1/4 | Gonzalo Villanueva | Juan Manuel Cerundolo | 6-2, 6-1 | | match details | ||
| 28.03.19 | 2nd round | Gonzalo Villanueva | Francisco Comesana | 6-2, 6-1 | | match details | ||
| 26.03.19 | 1st round | Gonzalo Villanueva | Thiago Agustin Tirante | 7-5, 6-3 | | match details | ||
| 22.03.19 | 1/4 | Francisco Cerundolo | Gonzalo Villanueva | 6-2, 2-6, 6-1 | | match details | M15 Pinamar | Clay |
| 21.03.19 | 2nd round | Gonzalo Villanueva | Mariano Navone | 7-65, 6-4 | | match details | ||
| 20.03.19 | 1st round | Gonzalo Villanueva | Gaston Tonello | 6-1, 6-4 | | match details | ||
| 06.03.19 | 2nd round | Federico Gaio | Gonzalo Villanueva | 3-6, 6-3, 6-3 | | match details | Santiago Challenger | Clay |
| 05.03.19 | 1st round | Gonzalo Villanueva | Alexandre Muller | 4-6, 7-64, 6-1 | | match details | ||
| 04.03.19 | qual. | Gonzalo Villanueva | Amador Salazar | 6-3, 6-1 | | match details | ||
| 23.01.19 | 2nd round | Nino Serdarusic | Gonzalo Villanueva | 7-63, 4-6, 6-4 | | match details | Punta Del | Clay |
| 21.01.19 | 1st round | Gonzalo Villanueva | Thiago Seyboth Wild | 1-6, 6-4, 6-3 | | match details | ||
| 13.11.18 | 1st round | Hugo Dellien | Gonzalo Villanueva | 6-4, 6-3 | | match details | Buenos Aires | Clay |
| 12.11.18 | qual. | Gonzalo Villanueva | Manuel Pena Lopez | 6-3, 3-6, 6-1 | | match details | ||
| 11.11.18 | q 2 | Gonzalo Villanueva | Pedro Sakamoto | 7-5, 4-6, 6-2 | | match details | ||
| 05.11.18 | qual. | Federico Coria | Gonzalo Villanueva | 7-5, 6-1 | | match details | Montevideo Challenger | Clay |
| 04.11.18 | q 2 | Gonzalo Villanueva | Dragos Dima | 6-2, 6-2 | | match details | ||
| 03.11.18 | q 1 | Gonzalo Villanueva | Nicolas Alvarez | 6-2, 6-0 | | match details | ||
| 21.10.18 | q 2 | Bastian Malla | Gonzalo Villanueva | 7-5, 6-2 | | match details | Lima Challenger | Clay |
| 20.10.18 | q 1 | Gonzalo Villanueva | Thiago Seyboth Wild | 6-4, 4-6, 6-0 | | match details | ||
| 12.10.18 | 1/4 | Mariano Kestelboim | Gonzalo Villanueva | 7-5, 6-74, 6-3 | | match details | Peru F3 | Clay |
| 11.10.18 | 2nd round | Gonzalo Villanueva | Guido Ivan Justo | 6-0, 6-0 | | match details | ||
| 09.10.18 | 1st round | Gonzalo Villanueva | Junior A. Ore | 6-3, 6-4 | | match details | ||
| 06.10.18 | fin | Bastian Malla | Gonzalo Villanueva | 7-61, 6-4 | | match details | Peru F2 | Clay |
| 05.10.18 | 1/4 | Gonzalo Villanueva | Arklon Huertas Del Pino | 6-1, 6-2 | | match details | ||
| 05.10.18 | 1/2 | Gonzalo Villanueva | Nicolas Mejia | Nicolas Mejia - walk over | | match details | ||
| 04.10.18 | 2nd round | Gonzalo Villanueva | Guido Ivan Justo | 6-4, 6-1 | | match details | ||
| 02.10.18 | 1st round | Gonzalo Villanueva | Victor Nunez | 6-2, 6-4 | | match details | ||
| 29.09.18 | fin | Gonzalo Villanueva | Arklon Huertas Del Pino | 6-0, 6-3 | | match details | Peru F1 | Clay |
| 28.09.18 | 1/2 | Gonzalo Villanueva | Conner Huertas Del Pino | 6-3, 3-6, 6-3 | | match details | ||
| 27.09.18 | 1/4 | Gonzalo Villanueva | Nicolas Santos | 6-1, 6-2 | | match details | ||
| 26.09.18 | 2nd round | Gonzalo Villanueva | Nicolas Zaidman | 6-0, 6-0 | | match details | ||
| 25.09.18 | 1st round | Gonzalo Villanueva | Nick Hardt | 6-1, 5-7, 6-4 | | match details | ||
| 22.09.18 | fin | Gonzalo Villanueva | Francisco Cerundolo | 6-0, 6-3 | | match details | Argentina F6 | Clay |
| 21.09.18 | 1/2 | Gonzalo Villanueva | Maximiliano Estevez | 7-65, 6-2 | | match details | ||
| 20.09.18 | 1/4 | Gonzalo Villanueva | Camilo Ugo Carabelli | 7-5, 6-2 | | match details | ||
| 19.09.18 | 2nd round | Gonzalo Villanueva | Guido Ivan Justo | 6-1, 6-4 | | match details | ||
| 18.09.18 | 1st round | Gonzalo Villanueva | Juan Manuel Cerundolo | 6-1, 6-2 | | match details | ||
| 14.09.18 | 1/2 | Camilo Ugo Carabelli | Gonzalo Villanueva | 6-4, 1-6, 6-3 | | match details | Argentina F5 | Clay |
| 13.09.18 | 1/4 | Gonzalo Villanueva | Rafael Matos | 6-2, 6-2 | | match details | ||
| 12.09.18 | 2nd round | Gonzalo Villanueva | Juan Manuel Cerundolo | 6-2, 6-0 | | match details | ||
| 10.09.18 | 1st round | Gonzalo Villanueva | Arklon Huertas Del Pino | 5-7, 6-2, 6-2 | | match details | ||
| 06.09.18 | 1/4 | Juan Ignacio Galarza | Gonzalo Villanueva | 6-3, 7-5 | | match details | Argentina F4 | Clay |
| 05.09.18 | 2nd round | Gonzalo Villanueva | Maximiliano Estevez | 0-6, 7-5, 6-1 | | match details | ||
| 03.09.18 | 1st round | Gonzalo Villanueva | Daniil Zarichanskyy | 6-1, 3-2, Daniil Zarichanskyy - retired | | match details | ||
| 12.08.18 | q 2 | Daniel Dutra Da Silva | Gonzalo Villanueva | 7-5, 6-4 | | match details | Cordenons Challenger | Clay |
| 11.08.18 | q 1 | Gonzalo Villanueva | Franco Agamenone | 7-68, 6-2 | | match details | ||
| 09.08.18 | 1/4 | Fabien Reboul | Gonzalo Villanueva | 6-4, 6-2 | | match details | Italy F22 | Clay |
| 08.08.18 | 2nd round | Gonzalo Villanueva | Hernan Casanova | 6-3, 6-4 | | match details | ||
| 06.08.18 | 1st round | Gonzalo Villanueva | Jose Pereira | 4-6, 6-3, 6-4 | | match details | ||
| 03.08.18 | 1/2 | Tomas Martin Etcheverry | Gonzalo Villanueva | 6-4, 3-6, 7-5 | | match details | Italy F21 | Clay |
| 02.08.18 | 1/4 | Gonzalo Villanueva | Lorenzo Frigerio | 6-3, 6-2 | | match details | ||
| 01.08.18 | 2nd round | Gonzalo Villanueva | Riccardo Bonadio | 6-1, 6-75, 6-3 | | match details | ||
| 31.07.18 | 1st round | Gonzalo Villanueva | Wilson Leite | 6-2, 6-2 | | match details | ||
| 24.07.18 | 1st round | Daniel Dutra Da Silva | Gonzalo Villanueva | 6-2, 6-2 | | match details | Italy F20 | Clay |
| 15.07.18 | q 2 | Giovanni Fonio | Gonzalo Villanueva | 6-4, 6-4 | | match details | San Benedetto | Clay |
| 14.07.18 | q 1 | Gonzalo Villanueva | Gonzalo Escobar | 3-6, 6-3, 6-0 | | match details | ||
| 03.07.18 | 1st round | Corentin Denolly | Gonzalo Villanueva | 6-1, 6-4 | | match details | France F12 | Clay |
| 27.06.18 | 2nd round | Ugo Humbert | Gonzalo Villanueva | 6-2, 6-0 | | match details | France F11 | Clay |
| 25.06.18 | 1st round | Gonzalo Villanueva | Theo Arribage | 6-1, 6-0 | | match details | ||
| 02.06.18 | fin | Facundo Arguello | Gonzalo Villanueva | 6-4, 7-65 | | match details | Argentina F3 | Clay |
| 01.06.18 | 1/2 | Gonzalo Villanueva | Franco Emanuel Egea | 6-4, 6-0 | | match details | ||
| 31.05.18 | 1/4 | Gonzalo Villanueva | Juan Carlos Saez | 6-4, 6-2 | | match details | ||
| 30.05.18 | 2nd round | Gonzalo Villanueva | Michel Vernier | 6-1, 5-0, Michel Vernier - retired | | match details | ||
| 29.05.18 | 1st round | Gonzalo Villanueva | Felipe Martinez Sarrasague | 6-2, 6-1 | | match details | ||
| 25.05.18 | 1/2 | Camilo Ugo Carabelli | Gonzalo Villanueva | 2-6, 6-1, 6-2 | | match details | Argentina F2 | Clay |
| 24.05.18 | 1/4 | Gonzalo Villanueva | Facundo Arguello | 7-62, 7-5 | | match details | ||
| 23.05.18 | 2nd round | Gonzalo Villanueva | Gabriel Alejandro Hidalgo | 6-1, 6-0 | | match details | ||
| 22.05.18 | 1st round | Gonzalo Villanueva | Tomas Martin Etcheverry | 6-4, 6-4 | | match details | ||
| 16.05.18 | 2nd round | Thiago Seyboth Wild | Gonzalo Villanueva | 6-3, 7-5 | | match details | Brazil F4 | Clay |
| 14.05.18 | 1st round | Gonzalo Villanueva | Alejandro Tabilo | 7-61, 6-3 | | match details | ||
| 08.05.18 | 1st round | Rafael Matos | Gonzalo Villanueva | 6-2, 3-6, 6-3 | | match details | Brazil F3 | Clay |
| 06.05.18 | fin | Rafael Matos | Gonzalo Villanueva | 6-1, 6-3 | | match details | Brazil F2 | Clay |
| 05.05.18 | 1/2 | Gonzalo Villanueva | Oscar Jose Gutierrez | 6-73, 6-3, 6-3 | | match details | ||
| 04.05.18 | 1/4 | Gonzalo Villanueva | Marcelo Zormann | 4-6, 7-65, 7-5 | | match details | ||
| 03.05.18 | 2nd round | Gonzalo Villanueva | Camilo Ugo Carabelli | 4-6, 7-66, 5-5, Camilo Ugo Carabelli - retired | | match details | ||
| 01.05.18 | 1st round | Gonzalo Villanueva | Tomas Martin Etcheverry | 5-7, 6-3, 7-64 | | match details | ||
| 25.04.18 | 2nd round | Daniel Dutra Da Silva | Gonzalo Villanueva | 7-5, 7-63 | | match details | Brazil F1 | Clay |
| 23.04.18 | 1st round | Gonzalo Villanueva | Christian Oliveira | 5-7, 6-3, 6-0 | | match details | ||
| 03.03.18 | q 1 | Jose Hernandez-Fernandez | Gonzalo Villanueva | 7-61, 7-64 | | match details | Santiago Challenger | Clay |
| 26.02.18 | qual. | Juan Ignacio Galarza | Gonzalo Villanueva | 6-3, 6-2 | | match details | Punta Del | Clay |
| 25.02.18 | q 2 | Gonzalo Villanueva | Franco Agamenone | 6-1, 6-3 | | match details | ||
| 24.02.18 | q 1 | Gonzalo Villanueva | Gonzalo Lama | 7-5, 3-6, 6-2 | | match details | ||
| 06.12.17 | 2nd round | Daniel Dutra Da Silva | Gonzalo Villanueva | 6-1, 7-66 | | match details | Argentina F12 | Clay |
| 04.12.17 | 1st round | Gonzalo Villanueva | Facundo Juarez | 6-3, 1-6, 6-3 | | match details | ||
| 30.11.17 | 1/4 | Andrea Collarini | Gonzalo Villanueva | 3-6, 6-3, 6-2 | | match details | Argentina F11 | Clay |
| 29.11.17 | 2nd round | Gonzalo Villanueva | Tomas Lipovsek Puches | 6-1, 6-4 | | match details | ||
| 28.11.17 | 1st round | Gonzalo Villanueva | Alan Kohen | 6-3, 6-2 | | match details | ||
| 24.11.17 | 1/2 | Juan Ignacio Galarza | Gonzalo Villanueva | 7-65, 2-6, 6-4 | | match details | Argentina F10 | Clay |
| 23.11.17 | 1/4 | Gonzalo Villanueva | Facundo Juarez | 6-2, 6-2 | | match details | ||
| 22.11.17 | 2nd round | Gonzalo Villanueva | Juan Pablo Grassi Mazzuchi | 6-2, 6-0 | | match details | ||
| 20.11.17 | 1st round | Gonzalo Villanueva | Juan Bautista Otegui | 6-4, 7-61 | | match details | ||
| 16.11.17 | 2nd round | Mariano Kestelboim | Gonzalo Villanueva | 6-3, 2-6, 7-64 | | match details | Argentina F9 | Clay |
| 13.11.17 | 1st round | Gonzalo Villanueva | Gaston Ezequiel Cantero | 6-4, 6-1 | | match details | ||
| 10.11.17 | 1/4 | Daniel Dutra Da Silva | Gonzalo Villanueva | 6-1, 6-2 | | match details | Argentina F8 | Clay |
| 08.11.17 | 2nd round | Gonzalo Villanueva | Franco Emanuel Egea | 6-4, 6-3 | | match details | ||
| 07.11.17 | 1st round | Gonzalo Villanueva | Esteban Bruna | 6-0, 6-1 | | match details | ||
| 08.10.17 | q 2 | Genaro Alberto Olivieri | Gonzalo Villanueva | 6-4, 6-2 | | match details | Buenos Aires | Clay |
| 07.10.17 | q 1 | Gonzalo Villanueva | David Souto | 6-4, 7-5 | | match details | ||
| 13.09.17 | 1st round | Facundo Arguello | Gonzalo Villanueva | 6-70, 7-65, 6-4 | | match details | Argentina F7 | Clay |
| 06.09.17 | 2nd round | Facundo Arguello | Gonzalo Villanueva | 6-3, 6-4 | | match details | Argentina F6 | Clay |
| 05.09.17 | 1st round | Gonzalo Villanueva | Nicolas Alberto Arreche | 6-2, 6-1 | | match details | ||
| 22.08.17 | 1st round | Nicolas Alberto Arreche | Gonzalo Villanueva | 6-74, 6-0, 6-2 | | match details | Argentina F4 | Clay |
| 05.08.17 | q 1 | Gonzalo Villanueva | Alexandre Tsuchiya | 6-4, 6-3 | | match details | Floridablanca Challenger | Clay |
| 05.08.17 | q 2 | Andre Miele | Gonzalo Villanueva | 4-6, 6-3, 6-2 | | match details | ||
| 02.08.17 | 2nd round | Daniel Elahi Galan | Gonzalo Villanueva | 6-3, 6-3 | | match details | Colombia F3 | Clay |
| 01.08.17 | 1st round | Gonzalo Villanueva | Michel Vernier | 6-3, 6-4 | | match details | ||
| 24.07.17 | 1st round | Camilo Ugo Carabelli | Gonzalo Villanueva | 6-2, 6-4 | | match details | Colombia F2 | Clay |
| 12.07.17 | 1st round | Juan Ignacio Galarza | Gonzalo Villanueva | 6-1, 4-6, 7-63 | | match details | Medellin Challenger | Clay |
| 20.06.17 | 1st round | Alexandre Tsuchiya | Gonzalo Villanueva | 6-4, 6-3 | | match details | Argentina F3 | Clay |
| 16.06.17 | 1/2 | Juan Ignacio Galarza | Gonzalo Villanueva | 3-6, 6-2, 7-63 | | match details | Argentina F2 | Clay |
| 15.06.17 | 1/4 | Gonzalo Villanueva | Francisco Cerundolo | 6-4, 7-66 | | match details | ||
| 14.06.17 | 2nd round | Gonzalo Villanueva | Facundo Juarez | 7-64, 6-4 | | match details | ||
| 13.06.17 | 1st round | Gonzalo Villanueva | Alan Kohen | 6-0, 6-1 | | match details | ||
| 07.06.17 | 2nd round | Alan Kohen | Gonzalo Villanueva | 6-4, 7-63 | | match details | Argentina F1 | Clay |
| 06.06.17 | 1st round | Gonzalo Villanueva | Felipe Mantilla | 6-3, 6-2 | | match details | ||
| 04.04.17 | 1st round | Maxime Hamou | Gonzalo Villanueva | 1-6, 6-2, 6-4 | | match details |  Spain F10 | Clay |
| 03.04.17 | q 1 | Gonzalo Villanueva | Sergio Esteban Barroso | 6-1, 6-2 | | match details | ||
| 03.04.17 | q 2 | Gonzalo Villanueva | Miguel Damas | 6-4, 6-3 | | match details | ||
| 03.04.17 | qual. | Gonzalo Villanueva | Boris Pokotilov | 6-4, 6-4 | | match details | ||
| 29.03.17 | 1st round | Daniel Dutra Da Silva | Gonzalo Villanueva | 6-3, 6-4 | | match details | Spain F9 | Clay |
| 27.03.17 | q 2 | Gonzalo Villanueva | Yahir Alcolea Salido | 6-2, 6-2 | | match details | ||
| 27.03.17 | qual. | Gonzalo Villanueva | Vincent Jaensch-Mueller | 4-6, 7-5, 7-5 | | match details | ||
| 21.03.17 | 1st round | Oriol Roca Batalla | Gonzalo Villanueva | 6-4, 6-3 | | match details | Spain F8 | Clay |
| 14.03.17 | 1st round | Pedro Cachin | Gonzalo Villanueva | 6-3, 6-0 | | match details | Spain F7 | Clay |
| 14.02.17 | 1st round | Pedro Cachin | Gonzalo Villanueva | 2-6, 7-61, 6-4 | | match details | Spain F5 | Clay |
| 07.02.17 | 1st round | Daniel Munoz-De La Nava | Gonzalo Villanueva | 6-3, 6-2 | | match details | Spain F4 | Clay |
| 01.02.17 | 2nd round | Alexander Ward | Gonzalo Villanueva | 6-4, 5-7, 6-2 | | match details | Spain F3 | Clay |
| 30.01.17 | 1st round | Gonzalo Villanueva | Alberto Romero De Avila Senise | 6-2, 6-1 | | match details | ||
| 26.01.17 | 2nd round | Ricardo Ojeda Lara | Gonzalo Villanueva | 6-0, 6-3 | | match details | Spain F2 | Clay |
| 25.01.17 | 1st round | Gonzalo Villanueva | Imanol Lopez Morillo | 5-7, 6-4, 7-63 | | match details | ||
| 13.12.16 | 1st round | Orlando Luz | Gonzalo Villanueva | 6-3, 6-4 | | match details | Uruguay F3 | Clay |
| 08.12.16 | 1/4 | Joao Pedro Sorgi | Gonzalo Villanueva | 6-3, 6-3 | | match details | Uruguay F2 | Clay |
| 07.12.16 | 2nd round | Gonzalo Villanueva | Nicolas Santos | 6-4, 2-6, 6-1 | | match details | ||
| 06.12.16 | 1st round | Gonzalo Villanueva | Marcel Felder | 6-1, 7-5 | | match details | ||
| 02.12.16 | 1/2 | Orlando Luz | Gonzalo Villanueva | 6-1, 6-76, 7-65 | | match details | Uruguay F1 | Clay |
| 01.12.16 | 1/4 | Gonzalo Villanueva | Rodrigo Arus | 6-3, 3-6, 6-1 | | match details | ||
| 30.11.16 | 2nd round | Gonzalo Villanueva | Alejo Vilaro | 6-3, 6-2 | | match details | ||
| 28.11.16 | 1st round | Gonzalo Villanueva | Lourenzo Gasperini | 6-1, 6-0 | | match details | ||
| 10.11.16 | 1/4 | Tomas Lipovsek Puches | Gonzalo Villanueva | 6-4, 6-2 | | match details | Argentina F13 | Clay |
| 09.11.16 | 2nd round | Gonzalo Villanueva | Gaston Ezequiel Cantero | 6-1, 6-2 | | match details | ||
| 07.11.16 | 1st round | Gonzalo Villanueva | Franco Ribero | 6-4, 6-2 | | match details | ||
| 01.11.16 | 1st round | Santiago Rodriguez Taverna | Gonzalo Villanueva | 6-3, 1-6, 7-65 | | match details | Argentina F12 | Clay |
| 27.10.16 | 1/4 | Tomas Lipovsek Puches | Gonzalo Villanueva | 6-4, 1-6, 6-2 | | match details | Argentina F11 | Clay |
| 26.10.16 | 2nd round | Gonzalo Villanueva | Gaston-Arturo Grimolizzi | 4-6, 6-3, 6-2 | | match details | ||
| 25.10.16 | 1st round | Gonzalo Villanueva | Santiago Besada | 6-0, 6-1 | | match details | ||
| 10.10.16 | qual. | Bruno Sant'Anna | Gonzalo Villanueva | 6-1, 6-1 | | match details | Buenos Aires | Clay |
| 09.10.16 | q 2 | Gonzalo Villanueva | Nicolas Alejandro De Gregorio | 6-2, 6-1 | | match details | ||
| 08.10.16 | q 1 | Gonzalo Villanueva | Juan Bautista Otegui | 6-3, 7-5 | | match details | ||
| 21.09.16 | 1st round | Marc Giner | Gonzalo Villanueva | 6-4, 6-2 | | match details | Spain F31 | Clay |
| 17.09.16 | fin | Bernabe Zapata Miralles | Gonzalo Villanueva | 6-2, 6-1 | | match details | Spain F30 | Clay |
| 16.09.16 | 1/2 | Gonzalo Villanueva | Javier Marti | 4-6, 5-1, Javier Marti - retired | | match details | ||
| 15.09.16 | 1/4 | Gonzalo Villanueva | Mirko Martinez | 6-3, 6-0 | | match details | ||
| 14.09.16 | 2nd round | Gonzalo Villanueva | David Vega Hernandez | 7-64, 6-4 | | match details | ||
| 13.09.16 | 1st round | Gonzalo Villanueva | Luis Heredia Gomez | 7-62, 6-1 | | match details | ||
| 06.09.16 | 1st round | Marc Giner | Gonzalo Villanueva | 6-4, 6-4 | | match details | Spain F29 | Clay |
| 03.09.16 | fin | Jaume Antoni Munar Clar | Gonzalo Villanueva | 3-6, 7-5, 6-3 | | match details | Spain F28 | Clay |
| 02.09.16 | 1/2 | Gonzalo Villanueva | Ricardo Ojeda Lara | 2-6, 6-4, 7-64 | | match details | ||
| 01.09.16 | 1/4 | Gonzalo Villanueva | Juan Lizariturry | 7-5, 2-6, 6-4 | | match details | ||
| 31.08.16 | 2nd round | Gonzalo Villanueva | Alexis Klegou | 6-4, 3-6, 6-0 | | match details | ||
| 29.08.16 | 1st round | Gonzalo Villanueva | Laurent Rochette | 6-2, 6-3 | | match details | ||
| 25.08.16 | 1/4 | Alberto Romero De Avila Senise | Gonzalo Villanueva | 6-3, 6-3 | | match details | Spain F27 | Clay |
| 24.08.16 | 2nd round | Gonzalo Villanueva | Giovanni Rizzuti | 6-4, 6-4 | | match details | ||
| 22.08.16 | 1st round | Gonzalo Villanueva | Pol Toledo Bague | 4-6, 6-4, 6-3 | | match details | ||
| 03.07.16 | q 1 | Juan Sebastian Gomez | Gonzalo Villanueva | 6-4, 6-2 | | match details | Cali Challenger | Clay |
| 02.07.16 | fin | Roberto Quiroz | Gonzalo Villanueva | 6-3, 6-1 | | match details | Colombia F3 | Clay |
| 01.07.16 | 1/2 | Gonzalo Villanueva | Juan Pablo Varillas | 6-3, 6-4 | | match details | ||
| 30.06.16 | 1/4 | Gonzalo Villanueva | Gaston-Arturo Grimolizzi | 6-0, 7-65 | | match details | ||
| 29.06.16 | 2nd round | Gonzalo Villanueva | Felipe Mantilla | 6-2, 6-2 | | match details | ||
| 28.06.16 | 1st round | Gonzalo Villanueva | Jorge Brian Panta Herreros | 1-6, 6-3, 6-2 | | match details | ||
| 24.06.16 | 1/2 | Roberto Cid Subervi | Gonzalo Villanueva | 6-2, 6-1 | | match details | Colombia F2 | Clay |
| 23.06.16 | 1/4 | Gonzalo Villanueva | Matias Zukas | 2-6, 6-0, 6-0 | | match details | ||
| 22.06.16 | 2nd round | Gonzalo Villanueva | Alejandro Mendoza | 6-1, 6-1 | | match details | ||
| 20.06.16 | 1st round | Gonzalo Villanueva | Maximiliano Estevez | 6-4, 6-3 | | match details | ||
| 03.06.16 | 1/4 | Federico Coria | Gonzalo Villanueva | 6-2, 6-3 | | match details | Argentina F9 | Clay |
| 02.06.16 | 2nd round | Gonzalo Villanueva | Facundo Mena | 6-1, 5-1, Facundo Mena - retired | | match details | ||
| 31.05.16 | 1st round | Gonzalo Villanueva | Michel Vernier | 7-5, 7-67 | | match details | ||
| 28.05.16 | fin | Daniel Dutra Da Silva | Gonzalo Villanueva | 4-6, 6-2, 6-3 | | match details | Argentina F8 | Clay |
| 27.05.16 | 1/2 | Gonzalo Villanueva | Federico Coria | 6-2, 1-6, 6-1 | | match details | ||
| 26.05.16 | 1/4 | Gonzalo Villanueva | Juan Carlos Saez | 6-2, 1-6, 6-4 | | match details | ||
| 25.05.16 | 2nd round | Gonzalo Villanueva | Fermin Peralta Martinez | 6-2, 6-4 | | match details | ||
| 23.05.16 | 1st round | Gonzalo Villanueva | Facundo Mena | 6-2, 2-6, 6-4 | | match details | ||
| 17.05.16 | 1st round | Daniel Dutra Da Silva | Gonzalo Villanueva | 7-65, 6-1 | | match details | Argentina F7 | Clay |
| 09.05.16 | 1st round | Hernan Casanova | Gonzalo Villanueva | 7-62, 6-1 | | match details | Argentina F6 | Clay |
| 03.05.16 | 1st round | Mariano Kestelboim | Gonzalo Villanueva | 6-4, 6-4 | | match details | Argentina F5 | Clay |
| 21.03.16 | q 2 | Tomas Gerini | Gonzalo Villanueva | 6-4, 7-63 | | match details | Argentina F4 | Clay |
| 16.03.16 | 2nd round | Andrea Collarini | Gonzalo Villanueva | 6-4, 6-4 | | match details | Argentina F3 | Clay |
| 14.03.16 | 1st round | Gonzalo Villanueva | Sebastian Exequiel Pini | 6-4, 6-4 | | match details | ||
| 09.03.16 | 1st round | Francisco Bahamonde | Gonzalo Villanueva | 7-61, 6-3 | | match details | Argentina F2 | Clay |
| 10.01.16 | q 2 | Hernan Casanova | Gonzalo Villanueva | 6-1, 6-3 | | match details | Buenos Aires | Clay |
| 09.01.16 | q 1 | Gonzalo Villanueva | Juan Pablo Paz | 6-3, 2-6, 6-2 | | match details | ||
| 03.01.16 | q 1 | Gonzalo Villanueva | Dante Gennaro | 6-3, 3-6, 6-3 | | match details | Mendoza Challenger | Clay |
| 03.01.16 | q 2 | Juan Ignacio Galarza | Gonzalo Villanueva | 7-64, 4-6, 6-3 | | match details | ||
| 07.12.15 | 1st round | Matias Zukas | Gonzalo Villanueva | 3-6, 7-5, 6-4 | | match details | Chile F9 | Clay |
| 30.11.15 | 1st round | Jorge Montero | Gonzalo Villanueva | 7-62, 6-3 | | match details | Chile F8 | Clay |
| 14.11.15 | q 2 | Guillermo Duran | Gonzalo Villanueva | 6-3, 7-63 | | match details | Montevideo Challenger | Clay |
| 08.11.15 | q 2 | Cristian Garin | Gonzalo Villanueva | 6-1, 7-62 | | match details | Buenos Aires | Clay |
| 07.11.15 | q 1 | Gonzalo Villanueva | Mauricio Perez Mota | 6-1, 6-1 | | match details | ||
| 31.10.15 | q 2 | Guido Andreozzi | Gonzalo Villanueva | 6-0, 6-3 | | match details | Guayaquil Challenger | Clay |
| 31.10.15 | q 1 | Gonzalo Villanueva | Valentin Florez | 6-3, 6-4 | | match details | ||
| 25.10.15 | q 2 | Guido Andreozzi | Gonzalo Villanueva | 6-3, 7-63 | | match details | Lima Challenger | Clay |
| 24.10.15 | q 1 | Gonzalo Villanueva | Edmundo Ulloa | 6-0, 6-0 | | match details | ||
| 18.10.15 | q 2 | Juan Pablo Paz | Gonzalo Villanueva | 6-3, 7-5 | | match details | Santiago Challenger | Clay |
| 17.10.15 | q 1 | Gonzalo Villanueva | Gonzalo Urruticoechea | 6-1, 6-2 | | match details | ||
| 12.10.15 | qual. | Ryusei Makiguchi | Gonzalo Villanueva | 1-6, 7-65, 6-2 | | match details | Corrientes Challenger | Clay |
| 11.10.15 | q 1 | Gonzalo Villanueva | Geronimo Espin Busleiman | 5-7, 6-1, 6-1 | | match details | ||
| 28.09.15 | 1st round | Gonzalo Villanueva | Tomas Gerini | 6-3, 6-1 | | match details | Argentina F14 | Clay |
| 28.09.15 | 2nd round | Gonzalo Villanueva | Dante Gennaro | 6-1, 4-6, 6-4 | | match details | ||
| 28.09.15 | 1/4 | Juan Pablo Paz | Gonzalo Villanueva | 6-2, 4-6, 6-4 | | match details | ||
| 21.09.15 | 1st round | Gonzalo Villanueva | Luciano Betella | 2-6, 6-4, 6-3 | | match details | Argentina F13 | Clay |
| 21.09.15 | 1/2 | Maximiliano Estevez | Gonzalo Villanueva | 6-2, 6-3 | | match details | ||
| 21.09.15 | 2nd round | Gonzalo Villanueva | Nicolas De Marco | 6-0, 6-0 | | match details | ||
| 21.09.15 | 1/4 | Gonzalo Villanueva | Hernan Casanova | 6-3, 6-1 | | match details | ||
| 14.09.15 | 1/4 | Joao Pedro Sorgi | Gonzalo Villanueva | 4-6, 6-1, 6-2 | | match details | Argentina F12 | Clay |
| 14.09.15 | 1st round | Gonzalo Villanueva | Tomas Reche | 6-1, 6-0 | | match details | ||
| 14.09.15 | 2nd round | Gonzalo Villanueva | Dante Gennaro | 1-6, 7-60, 6-4 | | match details | ||
| 07.09.15 | 1st round | Matias Zukas | Gonzalo Villanueva | 4-6, 6-0, 6-3 | | match details | Argentina F11 | Clay |
| 24.08.15 | 1st round | Mariano Kestelboim | Gonzalo Villanueva | 4-1, Gonzalo Villanueva - retired | | match details | Argentina F10 | Clay |
| 17.08.15 | 2nd round | Gonzalo Villanueva | Juan Ignacio Ameal | 2-6, 6-1, 6-1 | | match details | Argentina F9 | Clay |
| 17.08.15 | 1/2 | Juan Ignacio Galarza | Gonzalo Villanueva | 4-6, 6-1, 6-0 | | match details | ||
| 17.08.15 | 1/4 | Gonzalo Villanueva | Franco Agamenone | 6-2, 6-2 | | match details | ||
| 17.08.15 | 1st round | Gonzalo Villanueva | Santiago Villarruel | 6-73, 6-2, 6-0 | | match details | ||
| 10.08.15 | 1st round | Daniel Dutra Da Silva | Gonzalo Villanueva | 6-1, 6-3 | | match details | Argentina F8 | Clay |
| 22.06.15 | qual. | Gonzalo Villanueva | Federico Nicolas Bertucci | 6-1, 6-1 | | match details | Brazil F3 | Clay |
| 22.06.15 | 1st round | Gonzalo Villanueva | Andre Miele | 6-2, 6-1 | | match details | ||
| 22.06.15 | 2nd round | Franco Emanuel Egea | Gonzalo Villanueva | 6-3, 6-2 | | match details | ||
| 22.06.15 | q 1 | Gonzalo Villanueva | Kevin Borges Pereira | 6-0, 6-0 | | match details | ||
| 22.06.15 | q 2 | Gonzalo Villanueva | Enrique Bogo | 6-4, 6-4 | | match details | ||
| 15.06.15 | 2nd round | Hernan Casanova | Gonzalo Villanueva | 5-7, 6-1, 6-4 | | match details | Brazil F2 | Clay |
| 15.06.15 | 1st round | Gonzalo Villanueva | Alexandre Tsuchiya | 3-6, 7-5, 6-3 | | match details | ||
| 08.06.15 | 1st round | Daniel Dutra Da Silva | Gonzalo Villanueva | 6-3, 6-2 | | match details | Brazil F1 | Clay |
| 25.05.15 | 1st round | Gonzalo Villanueva | Jorge Aguilar | 6-1, 1-6, 6-3 | | match details | Argentina F7 | Clay |
| 25.05.15 | 1/2 | Tomas Lipovsek Puches | Gonzalo Villanueva | 6-4, 6-2 | | match details | ||
| 25.05.15 | 2nd round | Gonzalo Villanueva | Franco Emanuel Egea | 3-6, 6-2, 6-0 | | match details | ||
| 25.05.15 | 1/4 | Gonzalo Villanueva | Ricardo Urzua-Rivera | 3-6, 6-3, 6-2 | | match details | ||
| 18.05.15 | 1st round | Juan Manuel Matute | Gonzalo Villanueva | 4-6, 6-1, 6-4 | | match details | Argentina F6 | Clay |
| 11.05.15 | 1/4 | Francisco Bahamonde | Gonzalo Villanueva | 3-6, 7-63, 6-1 | | match details | Argentina F5 | Clay |
| 11.05.15 | 2nd round | Gonzalo Villanueva | Sebastian Exequiel Pini | 0-6, 7-65, 6-0 | | match details | ||
| 11.05.15 | 1st round | Gonzalo Villanueva | Tomas Lipovsek Puches | 6-3, 6-1 | | match details | ||
| 04.05.15 | 1st round | Juan Ignacio Galarza | Gonzalo Villanueva | 1-6, 7-5, 6-2 | | match details | Argentina F4 | Clay |
| 20.04.15 | qual. | Gonzalo Villanueva | Dante Gennaro | 6-4, 7-63 | | match details | Chile F5 | Clay |
| 20.04.15 | 1st round | Gonzalo Villanueva | Nicolas Alejandro De Gregorio | 6-1, 6-1 | | match details | ||
| 20.04.15 | 1/4 | Bastian Malla | Gonzalo Villanueva | 6-4, 6-4 | | match details | ||
| 20.04.15 | 2nd round | Gonzalo Villanueva | Serge Becerra Jeria | 6-4, 6-1 | | match details | ||
| 20.04.15 | q 1 | Gonzalo Villanueva | Rodrigo Castro Aravena | 6-2, 6-1 | | match details | ||
| 20.04.15 | q 2 | Gonzalo Villanueva | Victor Maynard | 6-3, 6-1 | | match details | ||
| 13.04.15 | q 2 | Franco Agamenone | Gonzalo Villanueva | 3-6, 7-5, 6-2 | | match details | Chile F4 | Clay |
| 13.04.15 | q 1 | Gonzalo Villanueva | Antonio Ignacio Pons Lang | 6-0, 6-0 | | match details | ||
| 06.04.15 | q 1 | Gonzalo Villanueva | Javier Araya | 6-0, 6-0 | | match details | Chile F3 | Clay |
| 06.04.15 | qual. | Gonzalo Villanueva | Juan Manuel Matute | 6-2, 6-1 | | match details | ||
| 06.04.15 | 2nd round | Gonzalo Lama | Gonzalo Villanueva | 6-4, 6-3 | | match details | ||
| 06.04.15 | 1st round | Gonzalo Villanueva | Serge Becerra Jeria | 6-3, 2-6, 7-5 | | match details | ||
| 23.03.15 | q 2 | Gonzalo Villanueva | Leonardo Aboian | 6-3, 6-1 | | match details | Argentina F3 | Clay |
| 23.03.15 | 1st round | Gonzalo Villanueva | Mariano Kestelboim | 4-6, 6-0, 6-3 | | match details | ||
| 23.03.15 | 1/4 | Federico Coria | Gonzalo Villanueva | 6-1, 6-2 | | match details | ||
| 23.03.15 | qual. | Gonzalo Villanueva | Alexandre Tsuchiya | 6-4, 6-0 | | match details | ||
| 23.03.15 | 2nd round | Gonzalo Villanueva | Thales Turini | 6-1, 6-0 | | match details | ||
| 23.03.15 | q 1 | Gonzalo Villanueva | Gonzalo Lavaselli | 6-0, 6-0 | | match details | ||
| 16.03.15 | q 2 | Gonzalo Villanueva | Eduardo Dischinger | 6-4, 6-4 | | match details | Argentina F2 | Clay |
| 16.03.15 | qual. | Joao Walendowsky | Gonzalo Villanueva | 6-4, 6-2 | | match details | ||
| 16.03.15 | q 1 | Gonzalo Villanueva | Franco Emanuel Egea | 6-3, 7-69 | | match details | ||
| 09.03.15 | q 2 | Gonzalo Villanueva | Luciano Agustin Fisicaro | 7-5, 6-0 | | match details | Argentina F1 | Clay |
| 09.03.15 | qual. | Gonzalo Villanueva | Andres Gabriel Ciurletti | 7-5, 6-0 | | match details | ||
| 09.03.15 | 1st round | Gonzalo Villanueva | Leandro Portmann | 4-6, 6-3, 6-3 | | match details | ||
| 09.03.15 | q 1 | Gonzalo Villanueva | Vitor G. Lima | 6-1, 7-5 | | match details | ||
| 09.03.15 | 2nd round | Juan Ignacio Galarza | Gonzalo Villanueva | 6-3, 6-2 | | match details | ||
| 23.02.15 | q 2 | Gonzalo Villanueva | Francisco Stuardo | 1-6, 6-1, 7-62 | | match details | Chile F2 | Clay |
| 23.02.15 | qual. | Juan Ignacio Ameal | Gonzalo Villanueva | 7-64, 6-2 | | match details | ||
| 23.02.15 | q 1 | Gonzalo Villanueva | Manuel Brito Doerr | 6-3, 6-3 | | match details | ||
| 16.02.15 | qual. | Gonzalo Villanueva | Miguel Semmler | 2-6, 6-2, 6-2 | | match details | Chile F1 | Clay |
| 16.02.15 | 1/4 | Jorge Aguilar | Gonzalo Villanueva | 3-6, 6-1, 6-3 | | match details | ||
| 16.02.15 | 1st round | Gonzalo Villanueva | Hans Podlipnik-Castillo | 3-6, 6-4, 7-5 | | match details | ||
| 16.02.15 | 2nd round | Gonzalo Villanueva | Bastian Malla | 6-1, 6-75, 7-62 | | match details | ||
| 16.02.15 | q 1 | Gonzalo Villanueva | Juan Barrera | 6-0, 6-0 | | match details | ||
| 16.02.15 | q 2 | Gonzalo Villanueva | Michel Vernier | 7-5, 4-6, 6-3 | | match details | ||
| 08.12.14 | q 2 | Gonzalo Villanueva | Joaquin Moriones | 6-3, 6-4 | | match details | Argentina F20 | Clay |
| 08.12.14 | 1st round | Andres Molteni | Gonzalo Villanueva | 6-0, 7-65 | | match details | ||
| 08.12.14 | qual. | Gonzalo Villanueva | Luis Federico Nani | 6-1, 6-4 | | match details | ||
| 01.12.14 | 1st round | Cristian Garin | Gonzalo Villanueva | 7-62, 0-6, 6-3 | | match details | Argentina F19 | Clay |
| 24.11.14 | q 1 | Gonzalo Villanueva | Lukas Stierling | 6-0, 6-2 | | match details | Chile F8 | Clay |
| 24.11.14 | 2nd round | Nicolas Alberto Arreche | Gonzalo Villanueva | 6-4, 6-3 | | match details | ||
| 24.11.14 | qual. | Gonzalo Villanueva | Julian Busch | 6-2, 6-4 | | match details | ||
| 24.11.14 | 1st round | Gonzalo Villanueva | Tomas Lipovsek Puches | 6-3, 6-2 | | match details | ||
| 17.11.14 | 1st round | Gonzalo Villanueva | Jorge Aguilar | 6-4, 6-4 | | match details | Chile F7 | Clay |
| 17.11.14 | 2nd round | Gonzalo Villanueva | Tomas Buchhass | 6-3, 2-6, 6-1 | | match details | ||
| 17.11.14 | 1/4 | Nicolas Alejandro De Gregorio | Gonzalo Villanueva | 6-0, 5-7, 6-2 | | match details | ||
| 20.10.14 | q 1 | Gonzalo Villanueva | Agustin Aime | 6-3, 6-0 | | match details | Peru F9 | Clay |
| 20.10.14 | q 2 | Gonzalo Villanueva | Edmundo Ulloa | 6-4, 6-1 | | match details | ||
| 20.10.14 | 2nd round | Juan Carlos Saez | Gonzalo Villanueva | 7-63, 6-4 | | match details | ||
| 20.10.14 | qual. | Gonzalo Villanueva | Jorge Cavero | 6-2, 6-4 | | match details | ||
| 20.10.14 | 1st round | Gonzalo Villanueva | Duilio Vallebuona | 7-5, 6-3 | | match details | ||
| 13.10.14 | q 2 | Gonzalo Villanueva | Gabriel Bendazoli | 6-3, 6-3 | | match details | Peru F8 | Clay |
| 13.10.14 | 1st round | Benjamin Balleret | Gonzalo Villanueva | 6-0, 6-0 | | match details | ||
| 13.10.14 | qual. | Gonzalo Villanueva | Lucas Moreno | 6-4, 6-1 | | match details | ||
| 13.10.14 | q 1 | Gonzalo Villanueva | Frank Alexander Vega Ortiz | 6-0, 6-0 | | match details | ||
| 06.10.14 | 1/4 | Eduardo Dischinger | Gonzalo Villanueva | 6-72, 6-4, 6-4 | | match details | Peru F7 | Clay |
| 06.10.14 | qual. | Gonzalo Villanueva | Alvaro Raposo De Oliveira | 6-4, 6-2 | | match details | ||
| 06.10.14 | 2nd round | Gonzalo Villanueva | Santiago Maresca | 6-3, 6-0 | | match details | ||
| 06.10.14 | 1st round | Gonzalo Villanueva | Emilio Gomez | 6-2, 7-63 | | match details | ||
| 06.10.14 | q 2 | Gonzalo Villanueva | Marcos Vinicius Azevedo Silva | 6-1, 6-0 | | match details | ||
| 15.09.14 | 1st round | Dante Gennaro | Gonzalo Villanueva | 6-3, 6-2 | | match details | Argentina F18 | Clay |
| 08.09.14 | 1st round | Gonzalo Villanueva | Oscar Jose Gutierrez | 1-6, 7-64, 6-4 | | match details | Argentina F17 | Clay |
| 08.09.14 | 2nd round | Gaston-Arturo Grimolizzi | Gonzalo Villanueva | 7-5, 7-61 | | match details | ||
| 01.09.14 | 1st round | Nicolas Kicker | Gonzalo Villanueva | 6-2, 6-2 | | match details | Argentina F16 | Clay |
| 25.08.14 | 1st round | Leandro Portmann | Gonzalo Villanueva | 7-5, 6-4 | | match details | Argentina F15 | Clay |
| 18.08.14 | 1st round | Juan Ignacio Galarza | Gonzalo Villanueva | 6-4, 6-1 | | match details | Argentina F14 | Clay |
| 04.08.14 | qual. | Gonzalo Villanueva | Fernando Agustin Ordonez | 6-4, 5-7, 7-63 | | match details | Argentina F13 | Clay |
| 04.08.14 | 2nd round | Juan Pablo Paz | Gonzalo Villanueva | 7-5, 6-4 | | match details | ||
| 04.08.14 | 1st round | Gonzalo Villanueva | Gustavo Vellbach | 6-4, 7-5 | | match details | ||
| 04.08.14 | q 2 | Gonzalo Villanueva | Gonzalo Lavaselli | 6-3, 6-2 | | match details | ||
| 28.07.14 | 1st round | Martin Cuevas | Gonzalo Villanueva | 6-4, 6-1 | | match details | Argentina F12 | Clay |
| 21.07.14 | 1st round | Valentin Florez | Gonzalo Villanueva | 6-3, 5-7, 6-2 | | match details | Argentina F11 | Clay |
| 14.07.14 | 1st round | Matias Rodolfo Buchhass | Gonzalo Villanueva | 6-1, 6-1 | | match details | Argentina F10 | Clay |
| 30.06.14 | 1st round | Gustavo Vellbach | Gonzalo Villanueva | 6-4, 6-3 | | match details | Argentina F9 | Clay |
| 21.04.14 | 1st round | Oscar Jose Gutierrez | Gonzalo Villanueva | 6-0, 6-3 | | match details | Brazil F3 | Clay |
| 14.04.14 | 1st round | Leonardo Kirche | Gonzalo Villanueva | 6-1, 6-3 | | match details | Brazil F2 | Clay |
| 24.03.14 | 1st round | Gonzalo Villanueva | Mateo Julio | 6-0, 6-4 | | match details | Argentina F6 | Clay |
| 24.03.14 | 2nd round | Tomas Lipovsek Puches | Gonzalo Villanueva | 6-4, 3-6, 6-2 | | match details | ||
| 17.03.14 | 2nd round | Pedro Cachin | Gonzalo Villanueva | 6-3, 6-1 | | match details | Argentina F5 | Clay |
| 17.03.14 | 1st round | Gonzalo Villanueva | Geronimo Espin Busleiman | 6-4, 6-2 | | match details | ||
| 10.03.14 | 1st round | Juan Pablo Paz | Gonzalo Villanueva | 7-5, 6-2 | | match details | Argentina F4 | Clay |
| 10.02.14 | 1st round | Juan Manuel Benitez Chavarriaga | Gonzalo Villanueva | 7-5, 6-3 | | match details | Argentina F3 | Clay |
| 10.02.14 | q 2 | Gonzalo Villanueva | Matias Del Rio | 3-6, 6-3, 6-4 | | match details | ||
| 10.02.14 | qual. | Gonzalo Villanueva | Gaston Paz | 6-0, 6-0 | | match details | ||
| 10.02.14 | q 1 | Gonzalo Villanueva | Luciano Agustin Fisicaro | 6-1, 6-2 | | match details | ||
| 03.02.14 | 1st round | Valentin Florez | Gonzalo Villanueva | 7-65, 6-3 | | match details | Argentina F2 | Clay |
| 27.01.14 | 2nd round | Andres Molteni | Gonzalo Villanueva | 6-2, 6-1 | | match details | Argentina F1 | Clay |
| 27.01.14 | 1st round | Gonzalo Villanueva | Kevin Prando | 6-3, 6-4 | | match details | ||
| 25.11.13 | qual. | Valentin Florez | Gonzalo Villanueva | 7-64, 6-2 | | match details | Chile F9 | Clay |
| 25.11.13 | q 2 | Gonzalo Villanueva | Allan Kamal Mella | 6-1, 6-0 | | match details | ||
| 25.11.13 | q 1 | Gonzalo Villanueva | Marco Lopez | 6-2, 6-1 | | match details | ||
| 18.11.13 | 1st round | Gonzalo Villanueva | Jorge Montero | 1-6, 6-4, 6-4 | | match details | Chile F8 | Clay |
| 18.11.13 | 2nd round | Eduardo Dischinger | Gonzalo Villanueva | 4-6, 6-1, 7-64 | | match details | ||
| 11.11.13 | 1st round | Bastian Malla | Gonzalo Villanueva | 6-3, 6-4 | | match details | Chile F7 | Clay |
| 19.10.13 | q 1 | Maximiliano Estevez | Gonzalo Villanueva | 4-6, 7-5, 6-3 | | match details | Buenos Aires | Clay |
| 07.10.13 | 1st round | Kristijan Mesaros | Gonzalo Villanueva | 6-2, 6-1 | | match details | San Juan | Clay |
| 06.10.13 | qual. | Gonzalo Villanueva | Mateo Facundo Cressa | 6-4, 7-67 | | match details | ||
| 23.09.13 | 1st round | Yasin Sama | Gonzalo Villanueva | 7-64, 0-6, 6-3 | | match details | Argentina F20 | Clay |
| 16.09.13 | 1st round | Gonzalo Villanueva | Facundo Manzanares | 6-3, 6-2 | | match details | Argentina F19 | Clay |
| 16.09.13 | 2nd round | Gabriel Alejandro Hidalgo | Gonzalo Villanueva | 6-2, 6-3 | | match details | ||
| 09.09.13 | 1st round | Gonzalo Villanueva | Mauricio Perez Mota | 7-5, 6-2 | | match details | Argentina F18 | Clay |
| 09.09.13 | 2nd round | Mariano Kestelboim | Gonzalo Villanueva | 6-4, 6-4 | | match details | ||
| 02.09.13 | 1st round | Nicolas Kicker | Gonzalo Villanueva | 7-67, 6-1 | | match details | Argentina F17 | Clay |
| 26.08.13 | 1st round | Daniel Dutra Da Silva | Gonzalo Villanueva | 4-6, 6-2, 6-2 | | match details | Argentina F16 | Clay |
| 19.08.13 | 1st round | Gabriel Alejandro Hidalgo | Gonzalo Villanueva | 6-0, 7-5 | | match details | Argentina F15 | Clay |
| 12.08.13 | 1st round | Gonzalo Villanueva | Matias-Omar Tello | 3-6, 6-4, 6-3 | | match details | Argentina F14 | Clay |
| 12.08.13 | 2nd round | Joaquin-Jesus Monteferrario | Gonzalo Villanueva | 7-5, 6-4 | | match details | ||
| 22.07.13 | 1st round | Tomas Lipovsek Puches | Gonzalo Villanueva | 6-4, 6-4 | | match details | Argentina F13 | Clay |
| 15.07.13 | 1st round | Gabriel Alejandro Hidalgo | Gonzalo Villanueva | 6-3, 6-1 | | match details | Argentina F12 | Clay |
| 08.07.13 | 1/4 | Juan Pablo Paz | Gonzalo Villanueva | 6-3, 4-6, 7-5 | | match details | Argentina F11 | Clay |
| 08.07.13 | 1st round | Gonzalo Villanueva | Leandro Portmann | 6-4, 6-2 | | match details | ||
| 08.07.13 | 2nd round | Gonzalo Villanueva | Benjamin Ugarte | 4-6, 6-1, 6-2 | | match details | ||
| 27.05.13 | q 1 | Gonzalo Villanueva | Inaki Gimenez Pilutik | 5-7, 6-4, 6-3 | | match details | Argentina F8 | Clay |
| 27.05.13 | q 2 | Gaston Paz | Gonzalo Villanueva | 6-3, 7-5 | | match details | ||
| 20.05.13 | q 2 | Gonzalo Villanueva | Gonzalo Lavaselli | 6-1, 6-3 | | match details | Argentina F7 | Clay |
| 20.05.13 | qual. | Pedro Sakamoto | Gonzalo Villanueva | 6-1, 6-2 | | match details | ||
| 20.05.13 | q 1 | Gonzalo Villanueva | Santiago Veglia | 6-3, 6-1 | | match details | ||
| 13.05.13 | qual. | Tomas Lipovsek Puches | Gonzalo Villanueva | 6-3, 6-2 | | match details | Argentina F6 | Clay |
| 13.05.13 | q 1 | Gonzalo Villanueva | Joaquin Amaya | 6-2, 6-1 | | match details | ||
| 13.05.13 | q 2 | Gonzalo Villanueva | Kevin Prando | 6-4, 6-4 | | match details | ||
| 06.05.13 | 1/2 | Juan Ignacio Londero | Gonzalo Villanueva | 6-2, 6-3 | | match details | Argentina F5 | Clay |
| 06.05.13 | 1/4 | Gonzalo Villanueva | Fabricio Burdisso | 6-2, 6-2 | | match details | ||
| 06.05.13 | 1st round | Gonzalo Villanueva | Juan-Sebastian Vivanco | 6-2, 6-3 | | match details | ||
| 06.05.13 | 2nd round | Gonzalo Villanueva | Facundo Mena | 6-3, 6-3 | | match details | ||
| 29.04.13 | q 2 | Gonzalo Villanueva | Lucio Catania | 4-6, 6-4, 6-3 | | match details | Argentina F4 | Clay |
| 29.04.13 | q 1 | Gonzalo Villanueva | Nicolas Alberto Arreche | 6-78, 7-64, 6-4 | | match details | ||
| 29.04.13 | qual. | Juan Ignacio Ameal | Gonzalo Villanueva | 3-6, 6-4, 7-65 | | match details | ||
| 22.04.13 | q 2 | Gonzalo Villanueva | Brian Orradre | 6-3, 6-1 | | match details | Argentina F3 | Clay |
| 22.04.13 | qual. | Gonzalo Villanueva | Mariano Urli | 5-7, 6-3, 6-1 | | match details | ||
| 22.04.13 | q 1 | Gonzalo Villanueva | Franco Capalbo | 6-0, 6-3 | | match details | ||
| 22.04.13 | 1st round | Sergio Galdos | Gonzalo Villanueva | 6-4, 6-2 | | match details | ||
| 03.12.12 | 1st round | Gonzalo Villanueva | Patricio Heras | 7-66, 1-6, 7-65 | | match details | Argentina F28 | Clay |
| 03.12.12 | 2nd round | Fabricio Burdisso | Gonzalo Villanueva | 6-4, 6-2 | | match details | ||
| 19.11.12 | 1st round | Gonzalo Villanueva | Hernan Casanova | 6-1, 6-1 | | match details | Argentina F26 | Clay |
| 19.11.12 | 2nd round | Leandro Migani | Gonzalo Villanueva | 6-2, 6-3 | | match details | ||
| 21.10.12 | q 2 | Facundo Mena | Gonzalo Villanueva | 6-3, 6-4 | | match details | Buenos Aires | Clay |
| 20.10.12 | q 1 | Gonzalo Villanueva | Juan Ignacio Iliev | 4-6, 6-2, 6-1 | | match details | ||
| 24.10.11 | 1st round | Gonzalo Villanueva | Rodrigo Scatareggia | 7-61, 6-2 | | match details | Argentina F21 | Clay |
| 24.10.11 | 2nd round | Renzo Olivo | Gonzalo Villanueva | 6-0, 6-0 | | match details |
