Name: Elitsa Kostova
Country: Bulgaria
Birthdate: 10.04.90, 34 years
WTA ranking: 876
TOP ranking's position: 130 (12.09.16, 44900 points)
Points: 21
Prize money: 637567 $
Matches total: 811
Win: 427
%: 52.65 %
Country: Bulgaria
Birthdate: 10.04.90, 34 years
WTA ranking: 876
TOP ranking's position: 130 (12.09.16, 44900 points)
Points: 21
Prize money: 637567 $
Matches total: 811
Win: 427
%: 52.65 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2021 | 7/9 | 4/3 | 2/5 | 0/0 | 0/0 | 1/1 | 0/0 |
| 2020 | 7/11 | 1/2 | 5/5 | 1/4 | 0/0 | 0/0 | 0/0 |
| 2019 | 48/33 | 16/10 | 25/16 | 7/7 | 0/0 | 0/0 | 0/0 |
| 2018 | 28/29 | 5/8 | 21/16 | 2/3 | 0/0 | 0/2 | 0/0 |
| 2017 | 26/37 | 14/16 | 9/15 | 2/4 | 0/1 | 1/1 | 0/0 |
| 2016 | 36/28 | 8/7 | 21/12 | 5/6 | 0/1 | 2/2 | 0/0 |
| 2015 | 23/33 | 4/9 | 7/15 | 11/6 | 0/0 | 1/3 | 0/0 |
| 2014 | 31/28 | 6/7 | 21/15 | 1/5 | 3/1 | 0/0 | 0/0 |
| 2013 | 34/29 | 15/10 | 12/14 | 7/5 | 0/0 | 0/0 | 0/0 |
| 2012 | 20/35 | 3/4 | 13/21 | 4/9 | 0/0 | 0/1 | 0/0 |
| 2011 | 54/34 | 14/5 | 30/19 | 10/9 | 0/0 | 0/1 | 0/0 |
| 2010 | 42/27 | 20/7 | 17/15 | 5/5 | 0/0 | 0/0 | 0/0 |
| 2009 | 24/19 | 5/4 | 14/10 | 3/4 | 2/1 | 0/0 | 0/0 |
| 2008 | 30/16 | 11/4 | 18/10 | 0/0 | 1/2 | 0/0 | 0/0 |
| 2007 | 12/7 | 4/2 | 5/4 | 0/0 | 3/1 | 0/0 | 0/0 |
| 2006 | 3/8 | 0/1 | 3/7 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2005 | 2/1 | 0/0 | 2/1 | 0/0 | 0/0 | 0/0 | 0/0 |
| TOTAL | 427/384 | 130/99 | 225/200 | 58/67 | 9/7 | 5/11 | 0/0 |
| perc. % | 52.65 % | 56.77 % | 52.94 % | 46.4 % | 56.25 % | 31.25 % | 0 % |
Elitsa Kostova / scheduled / last
| no matches found |
Elitsa Kostova form / surface: Clay
Elitsa Kostova / surface: Clay
| 27.07.21 | 1st round | Arantxa Rus | Elitsa Kostova | 6-1, 6-0 |  | match details |  Belgrade | Clay |
| 14.07.21 | 1st round | Estelle Cascino | Elitsa Kostova | 6-4, 6-3 | | match details |  W60 Biarritz | Clay |
| 08.07.21 | 2nd round | Dalma Galfi | Elitsa Kostova | 7-62, 6-1 | | match details | W100 Contrexeville | Clay |
| 06.07.21 | 1st round | Elitsa Kostova | Ulrikke Eikeri | 6-4, 3-6, 6-4 |  | match details | ||
| 26.05.21 | q 2 | Ekaterine Gorgodze | Elitsa Kostova | 7-65, 6-3 | | match details | Paris | Clay |
| 24.05.21 | q 1 | Elitsa Kostova | Salma Djoubri | 6-3, 6-2 | | match details | ||
| 05.04.21 | 1st round | Bianca Turati | Elitsa Kostova | 6-4, 6-4 | | match details |  W60 Bellinzona | Clay |
| 18.11.20 | 1st round | Jule Niemeier | Elitsa Kostova | 6-3, 6-0 | | match details |  W25 Las | Clay |
| 24.09.20 | q 2 | Monica Niculescu | Elitsa Kostova | 6-0, 6-71, 6-3 | | match details | Paris | Clay |
| 22.09.20 | q 1 | Elitsa Kostova | Gabriela Ce | 7-5, 3-6, 6-2 | | match details | ||
| 09.09.20 | 1st round | Magdalena Frech | Elitsa Kostova | 6-3, 6-3 | | match details | W60+H Saint | Clay |
| 31.08.20 | 1st round | Martina Di Giuseppe | Elitsa Kostova | 7-5, 3-6, 6-3 | | match details |  Prague | Clay |
| 17.08.20 | 1st round | Elitsa Kostova | Arina Gabriela Vasilescu | 6-3, 6-1 | | match details |  All Lower | Clay |
| 16.08.20 | 1st round | Carole Monnet | Elitsa Kostova | 6-4, 6-3 | | match details | ||
| 15.08.20 | 1st round | Elitsa Kostova | Diana Marcinkevica | 6-1, 6-75, 10-4 | | match details | ||
| 14.08.20 | 1st round | Elitsa Kostova | Ivonne Cavalle-Reimers | 7-64, 6-4 | | match details | ||
| 13.08.20 | 1st round | Elitsa Kostova | Nicoleta Dascalu | 4-6, 6-4, 10-5 | | match details | ||
| 05.10.19 | 1/2 | Teliana Pereira | Elitsa Kostova | 7-5, 6-4 | | match details |  W25 Santa | Clay |
| 04.10.19 | 1/4 | Elitsa Kostova | Carolina Meligeni Alves | 6-3, 6-4 | | match details | ||
| 03.10.19 | 2nd round | Elitsa Kostova | Anastasia Detiuc | 6-4, 4-6, 6-1 | | match details | ||
| 02.10.19 | 1st round | Elitsa Kostova | Melania Delai | 6-0, 6-0 | | match details | ||
| 07.09.19 | 1/4 | Cagla Buyukakcay | Elitsa Kostova | 6-2, 6-4 | | match details |  W60+H Zagreb | Clay |
| 05.09.19 | 2nd round | Elitsa Kostova | Antonia Lottner | 6-2, 4-6, 7-64 | | match details | ||
| 04.09.19 | 1st round | Elitsa Kostova | Silvia Njiric | 6-4, 6-72, 6-3 | | match details | ||
| 31.08.19 | 1/4 | Tamara Korpatsch | Elitsa Kostova | 6-75, 7-5, 6-2 | | match details | W25+H Bagnatica | Clay |
| 29.08.19 | 2nd round | Elitsa Kostova | Tessah Andrianjafitrimo | 6-4, 6-4 | | match details | ||
| 28.08.19 | 1st round | Elitsa Kostova | Lara Salden | 3-6, 6-4, 6-1 | | match details | ||
| 08.08.19 | 2nd round | Anastasiya Komardina | Elitsa Kostova | 2-6, 6-4, 6-3 | | match details |  W60 Warsaw | Clay |
| 07.08.19 | 1st round | Elitsa Kostova | Lucia Bronzetti | 6-2, 6-4 | | match details | ||
| 19.07.19 | 1/4 | Veronica Cepede Royg | Elitsa Kostova | 6-2, 6-76, 6-1 | | match details | W80 Biarritz | Clay |
| 18.07.19 | 2nd round | Elitsa Kostova | Sofia Shapatava | 6-4, 6-1 | | match details | ||
| 16.07.19 | 1st round | Elitsa Kostova | Fanny Stollar | 6-3, 6-1 | | match details | ||
| 12.07.19 | 2nd round | Irina Maria Bara | Elitsa Kostova | 4-6, 6-3, 6-0 | | match details |  W60 Versmold | Clay |
| 10.07.19 | 1st round | Elitsa Kostova | Katharina Gerlach | 6-3, 7-5 | | match details | ||
| 06.07.19 | 1/2 | Katharina Hobgarski | Elitsa Kostova | 6-1, 6-3 | | match details | W25 Denain | Clay |
| 05.07.19 | 1/4 | Elitsa Kostova | Valeriya Strakhova | 6-3, 6-4 | | match details | ||
| 04.07.19 | 2nd round | Elitsa Kostova | Nathaly Kurata | 4-6, 6-0, 6-1 | | match details | ||
| 03.07.19 | 1st round | Elitsa Kostova | Ganna Poznikhirenko | 6-3, 6-3 | | match details | ||
| 20.06.19 | 2nd round | Elizabeth Halbauer | Elitsa Kostova | 6-1, 6-4 | | match details | W25+H Montpellier | Clay |
| 19.06.19 | 1st round | Elitsa Kostova | Eleonora Molinaro | 7-64, 6-3 | | match details | ||
| 16.06.19 | fin | Anhelina Kalinina | Elitsa Kostova | 6-1, 4-6, 6-1 | | match details | W25 Prerov | Clay |
| 15.06.19 | 1/2 | Elitsa Kostova | Amanda Carreras | 6-2, 6-3 | | match details | ||
| 14.06.19 | 1/4 | Elitsa Kostova | Kathinka Von Deichmann | 6-75, 6-3, 6-4 | | match details | ||
| 13.06.19 | 2nd round | Elitsa Kostova | Oksana Selekhmeteva | 6-2, 7-64 | | match details | ||
| 12.06.19 | 1st round | Elitsa Kostova | Nikola Tomanova | 7-5, 7-5 | | match details | ||
| 18.05.19 | q 1 | Katharina Hobgarski | Elitsa Kostova | 2-6, 6-2, 6-2 | | match details | Nurnberg | Clay |
| 23.04.19 | 1st round | Shuai Zhang | Elitsa Kostova | 4-6, 6-2, 6-1 | | match details |  Anning | Clay |
| 08.04.19 | 1st round | Varvara Lepchenko | Elitsa Kostova | 6-3, 6-1 | | match details |  Bogota | Clay |
| 07.04.19 | qual. | Irina Maria Bara | Elitsa Kostova | 3-6, 6-2, 6-3 | | match details | ||
| 06.04.19 | q 1 | Elitsa Kostova | Zoe Hives | 6-78, 7-5, 6-0 | | match details | ||
| 05.04.19 | 1/4 | Danka Kovinic | Elitsa Kostova | 7-64, 3-6, 6-2 | | match details |  W80 Palm | Clay |
| 04.04.19 | 2nd round | Elitsa Kostova | Michaela Honcova | 6-2, 7-5 | | match details | ||
| 03.04.19 | 1st round | Elitsa Kostova | Safiya Carrington | 6-0, 6-3 | | match details | ||
| 29.03.19 | 1/4 | Jessica Pieri | Elitsa Kostova | 7-66, 6-2 | | match details |  W25 Campinas | Clay |
| 28.03.19 | 2nd round | Elitsa Kostova | Barbara Haas | 1-6, 6-2, 6-0 | | match details | ||
| 27.03.19 | 1st round | Elitsa Kostova | Maria Herazo Gonzalez | 6-2, 6-3 | | match details | ||
| 21.03.19 | 2nd round | Jasmine Paolini | Elitsa Kostova | 6-2, 4-6, 6-2 | | match details | W25 Curitiba | Clay |
| 20.03.19 | 1st round | Elitsa Kostova | Nathaly Kurata | 6-4, 6-1 | | match details | ||
| 02.10.18 | 1st round | Reka-Luca Jani | Elitsa Kostova | 7-5, 4-6, 6-1 | | match details | Santa Margherita | Clay |
| 28.09.18 | 1/4 | Liudmila Samsonova | Elitsa Kostova | 6-3, 6-4 | | match details | Santa Margherita | Clay |
| 27.09.18 | 2nd round | Elitsa Kostova | Irene Burillo Escorihuela | 6-0, 5-7, 6-2 | | match details | ||
| 25.09.18 | 1st round | Elitsa Kostova | Jule Niemeier | 7-5, 6-1 | | match details | ||
| 18.09.18 | 1st round | Cagla Buyukakcay | Elitsa Kostova | 7-65, 6-4 | | match details | Saint Malo | Clay |
| 12.09.18 | 1st round | Carina Witthoeft | Elitsa Kostova | 6-4, 7-62 | | match details | Biarritz | Clay |
| 06.09.18 | 2nd round | Tena Lukas | Elitsa Kostova | 1-6, 6-2, 6-3 | | match details | Zagreb | Clay |
| 05.09.18 | 1st round | Elitsa Kostova | Agnes Bukta | 6-3, 6-4 | | match details | ||
| 28.08.18 | 1st round | Raluca Georgiana Serban | Elitsa Kostova | 6-2, 7-5 | | match details |  Budapest | Clay |
| 27.07.18 | 1/4 | Richel Hogenkamp | Elitsa Kostova | 7-65, 6-75, 6-2 | | match details | Prague | Clay |
| 26.07.18 | 2nd round | Elitsa Kostova | Lucrezia Stefanini | 6-2, 6-4 | | match details | ||
| 25.07.18 | 1st round | Elitsa Kostova | Katarina Zavatska | 6-2, 4-6, 6-4 | | match details | ||
| 18.07.18 | 2nd round | Marketa Vondrousova | Elitsa Kostova | 6-4, 6-4 | | match details | Gstaad | Clay |
| 17.07.18 | 1st round | Elitsa Kostova | Anna Kalinskaya | 6-4, 0-6, 6-2 | | match details | ||
| 12.07.18 | 1st round | Laura Siegemund | Elitsa Kostova | 6-2, 6-4 | | match details | Versmold | Clay |
| 09.06.18 | 1/2 | Rebecca Sramkova | Elitsa Kostova | 5-7, 6-4, 6-4 | | match details | Stare Splavy | Clay |
| 08.06.18 | 1/4 | Elitsa Kostova | Ani Mijacika | 6-2, 2-6, 6-4 | | match details | ||
| 07.06.18 | 2nd round | Elitsa Kostova | Anna Bondar | 6-3, 3-6, 6-1 | | match details | ||
| 06.06.18 | 1st round | Elitsa Kostova | Martina Colmegna | 6-4, 6-75, 7-62 | | match details | ||
| 23.05.18 | q 1 | Tamara Korpatsch | Elitsa Kostova | 6-4, 2-6, 6-3 | | match details | Paris | Clay |
| 03.05.18 | 1/4 | Shuai Peng | Elitsa Kostova | 6-1, 6-0 | | match details | Anning | Clay |
| 02.05.18 | 2nd round | Elitsa Kostova | Dalila Jakupovic | 7-63, 0-6, 6-1 | | match details | ||
| 01.05.18 | 1st round | Elitsa Kostova | Jacqueline Cako | 6-4, 6-1 | | match details | ||
| 23.04.18 | qual. | Arantxa Rus | Elitsa Kostova | 6-2, 6-0 | | match details |  Istanbul | Clay |
| 22.04.18 | q 1 | Elitsa Kostova | Misaki Doi | 6-4, 6-2 | | match details | ||
| 13.04.18 | 2nd round | Dalila Jakupovic | Elitsa Kostova | 6-2, 6-2 | | match details | Bogota | Clay |
| 11.04.18 | 1st round | Elitsa Kostova | Nao Hibino | 6-2, 6-4 | | match details | ||
| 08.04.18 | qual. | Elitsa Kostova | Nadia Podoroska | 6-4, 6-4 | | match details | ||
| 07.04.18 | q 1 | Elitsa Kostova | Jacqueline Cako | 7-64, 6-1 | | match details | ||
| 26.03.18 | 1/4 | Olga Danilovic | Elitsa Kostova | 6-4, 6-2 | | match details | Santa Margherita | Clay |
| 24.03.18 | 2nd round | Elitsa Kostova | Basak Eraydin | 6-4, 6-1 | | match details | ||
| 21.03.18 | 1st round | Elitsa Kostova | Ipek Soylu | 6-4, 6-0 | | match details | ||
| 18.03.18 | fin | Basak Eraydin | Elitsa Kostova | 6-4, 6-1 | | match details | Santa Margherita | Clay |
| 17.03.18 | 1/2 | Elitsa Kostova | Federica Di Sarra | 7-5, 6-3 | | match details | ||
| 16.03.18 | 1/4 | Elitsa Kostova | Anastasia Grymalska | 3-6, 7-64, 7-5 | | match details | ||
| 14.03.18 | 2nd round | Elitsa Kostova | Alize Lim | Alize Lim - walk over | | match details | ||
| 14.03.18 | 1st round | Elitsa Kostova | Sofia Shapatava | 7-5, 7-5 | | match details | ||
| 30.08.17 | 1st round | Dea Herdzelas | Elitsa Kostova | 6-4, 6-4 | | match details |  Mamaia | Clay |
| 19.08.17 | 1/4 | Deborah Chiesa | Elitsa Kostova | 6-4, 7-5 | | match details | Montreux | Clay |
| 17.08.17 | 2nd round | Elitsa Kostova | Priscilla Heise | 3-6, 7-65, 6-0 | | match details | ||
| 15.08.17 | 1st round | Elitsa Kostova | Fiona Ganz | 6-3, 4-6, 6-4 | | match details | ||
| 26.07.17 | 1st round | Petra Krejsova | Elitsa Kostova | 4-6, 7-62, 6-0 | | match details | Prague | Clay |
| 18.07.17 | 1st round | Caroline Garcia | Elitsa Kostova | 7-5, 6-1 | | match details | Gstaad | Clay |
| 11.07.17 | 1st round | Irina Maria Bara | Elitsa Kostova | 6-4, 6-0 | | match details | Contrexeville | Clay |
| 24.06.17 | 1/4 | Sesil Karatantcheva | Elitsa Kostova | 5-7, 6-2, 6-4 | | match details | Warsaw | Clay |
| 22.06.17 | 2nd round | Elitsa Kostova | Maja Chwalinska | 6-4, 6-1 | | match details | ||
| 21.06.17 | 1st round | Elitsa Kostova | Diana Sumova | 6-2, 6-2 | | match details | ||
| 15.06.17 | 2nd round | Alexandra Cadantu | Elitsa Kostova | 6-2, 6-2 | | match details | Hodmezovasarhely | Clay |
| 13.06.17 | 1st round | Elitsa Kostova | Agnes Bukta | 6-0, 6-1 | | match details | ||
| 07.06.17 | 1st round | Johanna Larsson | Elitsa Kostova | 6-2, 6-3 | | match details | Bol | Clay |
| 25.05.17 | q 2 | Su Jeong Jang | Elitsa Kostova | 2-6, 6-4, 7-5 | | match details | Paris | Clay |
| 23.05.17 | q 1 | Elitsa Kostova | Kai-Lin Zhang | 6-3, 6-3 | | match details | ||
| 20.05.17 | qual. | Vera Lapko | Elitsa Kostova | 6-3, 6-4 | | match details | Strasbourg | Clay |
| 19.05.17 | q 1 | Elitsa Kostova | Polina Leykina | 6-4, 4-6, 6-2 | | match details | ||
| 16.05.17 | 1st round | Dalma Galfi | Elitsa Kostova | 6-4, 6-2 | | match details | Saint Gaudens | Clay |
| 03.05.17 | 1st round | Victoria Duval | Elitsa Kostova | 7-5, 6-3 | | match details | Charleston | Clay |
| 27.04.17 | 2nd round | Caroline Dolehide | Elitsa Kostova | 6-1, 6-3 | | match details | Charlottesville | Clay |
| 26.04.17 | 1st round | Elitsa Kostova | Maria Sanchez | 7-62, 3-6, 6-3 | | match details | ||
| 19.04.17 | 1st round | Michelle Larcher De Brito | Elitsa Kostova | 6-2, 2-6, 6-4 | | match details | Dothan | Clay |
| 12.04.17 | 2nd round | Magda Linette | Elitsa Kostova | 6-4, 6-4 | | match details | Bogota | Clay |
| 10.04.17 | 1st round | Elitsa Kostova | Grace Min | 6-3, 6-1 | | match details | ||
| 12.07.16 | 1st round | Francesca Schiavone | Elitsa Kostova | 6-2, 7-63 | | match details | Bucharest | Clay |
| 11.07.16 | qual. | Elitsa Kostova | Katarzyna Piter | 6-4, 6-2 | | match details | ||
| 10.07.16 | q 2 | Elitsa Kostova | Georgina Garcia-Perez | 7-64, 6-3 | | match details | ||
| 10.07.16 | q 1 | Elitsa Kostova | Gabriela Nicole Tatarus | 4-6, 6-1, 6-2 | | match details | ||
| 10.07.16 | fin | Elitsa Kostova | Viktoriya Tomova | 6-0, 7-63 | | match details | Budapest | Clay |
| 08.07.16 | 1/2 | Elitsa Kostova | Fanny Stollar | 3-6, 6-2, 6-3 | | match details | ||
| 07.07.16 | 1/4 | Elitsa Kostova | Ekaterine Gorgodze | 6-1, 6-1 | | match details | ||
| 06.07.16 | 2nd round | Elitsa Kostova | Sesil Karatantcheva | 6-4, 6-2 | | match details | ||
| 04.07.16 | 1st round | Elitsa Kostova | Alexandra Cadantu | 6-1, 7-5 | | match details | ||
| 02.06.16 | 2nd round | Polona Hercog | Elitsa Kostova | 6-1, 6-0 | | match details | Bol | Clay |
| 31.05.16 | 1st round | Elitsa Kostova | Ekaterina Alexandrova | 6-1, 7-64 | | match details | ||
| 18.05.16 | q 1 | Cagla Buyukakcay | Elitsa Kostova | 6-4, 6-0 | | match details | Paris | Clay |
| 15.05.16 | qual. | Marina Melnikova | Elitsa Kostova | 6-3, 6-4 | | match details | Nurnberg | Clay |
| 14.05.16 | q 1 | Elitsa Kostova | Lena Papadakis | 6-2, 6-2 | | match details | ||
| 11.05.16 | 1st round | Magda Linette | Elitsa Kostova | 6-71, 7-65, 6-2 | | match details |  Trnava | Clay |
| 30.04.16 | 1/2 | Taylor Townsend | Elitsa Kostova | 6-2, 6-1 | | match details | Charlottesville | Clay |
| 29.04.16 | 2nd round | Elitsa Kostova | Sanaz Marand | 7-65, 0-6, 6-2 | | match details | ||
| 29.04.16 | 1/4 | Elitsa Kostova | Kayla Day | 4-6, 6-4, 6-4 | | match details | ||
| 27.04.16 | 1st round | Elitsa Kostova | Michaela Gordon | 1-6, 6-2, 6-2 | | match details | ||
| 13.04.16 | 2nd round | Catalina Pella | Elitsa Kostova | 6-3, 6-2 | | match details | Bogota | Clay |
| 12.04.16 | 1st round | Elitsa Kostova | Laura Pous-Tio | 6-4, 6-3 | | match details | ||
| 23.03.16 | 1st round | Maryna Zanevska | Elitsa Kostova | 6-3, 4-6, 6-3 | | match details | Naples | Clay |
| 17.02.16 | 2nd round | Cindy Burger | Elitsa Kostova | 6-3, 6-0 | | match details | Rio de | Clay |
| 15.02.16 | 1st round | Elitsa Kostova | Maria Irigoyen | 7-5, 7-5 | | match details | ||
| 14.02.16 | qual. | Elitsa Kostova | Sara Sorribes Tormo | 6-2, 6-4 | | match details | ||
| 13.02.16 | q 1 | Elitsa Kostova | Katerina Stewart | 6-4, 6-3 | | match details | ||
| 30.01.16 | 1/4 | Elizabeth Halbauer | Elitsa Kostova | 3-6, 6-3, 6-4 | | match details | Sunrise | Clay |
| 29.01.16 | 1st round | Elitsa Kostova | Nicole Frenkel | 6-4, 4-6, 6-1 | | match details | ||
| 29.01.16 | 2nd round | Elitsa Kostova | Marie Benoit | 6-2, 6-1 | | match details | ||
| 20.01.16 | 1st round | Ons Jabeur | Elitsa Kostova | 6-4, 6-0 | | match details | Wesley Chapel | Clay |
| 15.01.16 | 1/4 | Olga Fridman | Elitsa Kostova | 6-1, 6-2 | | match details | Daytona Beach | Clay |
| 14.01.16 | 2nd round | Elitsa Kostova | Alexandra Cadantu | 6-3, 6-1 | | match details | ||
| 13.01.16 | 1st round | Elitsa Kostova | Chloe Paquet | 6-0, 6-1 | | match details | ||
| 14.09.15 | 2nd round | Tamara Zidansek | Elitsa Kostova | 4-6, 6-1, 6-3 | | match details |  Dobrich | Clay |
| 14.09.15 | 1st round | Elitsa Kostova | Alexandra Cadantu | 4-6, 6-3, 6-3 | | match details | ||
| 07.09.15 | 2nd round | Viktoria Kamenskaya | Elitsa Kostova | 6-4, 6-4 | | match details | Sofia | Clay |
| 07.09.15 | 1st round | Elitsa Kostova | Yasmyn Gulman | 6-0, 6-1 | | match details | ||
| 10.08.15 | 1st round | Nicole Vaidisova | Elitsa Kostova | 6-4, 6-4 | | match details | Prague | Clay |
| 29.07.15 | 2nd round | Laura Siegemund | Elitsa Kostova | 6-3, 6-1 | | match details | Florianopolis | Clay |
| 28.07.15 | 1st round | Elitsa Kostova | Anastasia Pivovarova | 6-4, 4-6, 6-1 | | match details | ||
| 19.07.15 | q 1 | Katerina Stewart | Elitsa Kostova | 6-4, 6-3 | | match details |  Bad Gastein | Clay |
| 13.07.15 | 1st round | Pernilla Mendesova | Elitsa Kostova | 6-2, 6-1 | | match details | Olomouc | Clay |
| 06.07.15 | 1st round | Tamara Korpatsch | Elitsa Kostova | 6-4, 6-2 | | match details | Versmold | Clay |
| 15.06.15 | 1st round | Pauline Parmentier | Elitsa Kostova | 6-2, 6-2 | | match details | Montpellier | Clay |
| 20.05.15 | q 1 | Sesil Karatantcheva | Elitsa Kostova | 4-6, 6-2, 6-1 | | match details | Paris | Clay |
| 04.05.15 | 1st round | Elitsa Kostova | Cyrine Ben Cheikh | 6-0, 6-0 | | match details |  Tunis | Clay |
| 04.05.15 | 2nd round | Elitsa Kostova | Elise Mertens | 6-73, 6-4, 7-5 | | match details | ||
| 04.05.15 | 1/4 | Lesley Pattinama Kerkhove | Elitsa Kostova | 4-6, 7-5, Elitsa Kostova - retired | | match details | ||
| 26.04.15 | q 2 | Laura Siegemund | Elitsa Kostova | 6-4, 7-5 | | match details |  Marrakech | Clay |
| 25.04.15 | q 1 | Elitsa Kostova | Stephanie Foretz | 6-4, 2-6, 6-3 | | match details | ||
| 16.03.15 | 1st round | Elitsa Kostova | Stephanie Vogt | 7-5, 6-4 | | match details | Seville | Clay |
| 16.03.15 | 2nd round | Richel Hogenkamp | Elitsa Kostova | 6-4, 4-6, 6-4 | | match details | ||
| 02.03.15 | 1st round | Olivia Rogowska | Elitsa Kostova | 7-5, 4-6, 6-3 | | match details | Curitiba | Clay |
| 23.02.15 | 1st round | Danka Kovinic | Elitsa Kostova | 6-2, 6-3 | | match details | Campinas | Clay |
| 14.02.15 | q 1 | Montserrat Gonzalez | Elitsa Kostova | 7-65, 2-6, 6-2 | | match details | Rio de | Clay |
| 11.08.14 | 1st round | Elitsa Kostova | Sofia Shapatava | 6-3, 6-2 | | match details | Bogota | Clay |
| 11.08.14 | 1/4 | Johanna Larsson | Elitsa Kostova | 6-1, 5-7, 7-67 | | match details | ||
| 11.08.14 | 2nd round | Elitsa Kostova | Chanel Simmonds | 6-0, 6-0 | | match details | ||
| 28.07.14 | 1st round | Elitsa Kostova | Olga Doroshina | 2-6, 6-3, 6-4 | | match details | Plzen | Clay |
| 28.07.14 | 1/4 | Denisa Satralova | Elitsa Kostova | 6-1, 6-2 | | match details | ||
| 28.07.14 | 2nd round | Elitsa Kostova | Lauren Embree | 6-4, 6-4 | | match details | ||
| 09.07.14 | 2nd round | Monica Niculescu | Elitsa Kostova | 7-5, 7-5 | | match details | Bucharest | Clay |
| 08.07.14 | 1st round | Elitsa Kostova | Alize Lim | 3-6, 6-4, 7-5 | | match details | ||
| 07.07.14 | qual. | Elitsa Kostova | Vanda Lukacs | 6-3, 7-5 | | match details | ||
| 06.07.14 | q 2 | Elitsa Kostova | Denisa Satralova | 6-74, 6-3, 6-3 | | match details | ||
| 05.07.14 | q 1 | Elitsa Kostova | Valeriya Solovyeva | 6-3, 6-1 | | match details | ||
| 30.06.14 | 1st round | Margalita Chakhnashvili-Ranzinger | Elitsa Kostova | 6-4, 6-2 | | match details |  Middelburg | Clay |
| 16.06.14 | 1/2 | Elitsa Kostova | Montserrat Gonzalez | 6-3, 3-6, 7-5 | | match details | Montpellier | Clay |
| 16.06.14 | 1st round | Elitsa Kostova | Leolia Jeanjean | 6-3, 5-7, 6-3 | | match details | ||
| 16.06.14 | fin | Elitsa Kostova | Sophia Kovalets | 7-5, 6-1 | | match details | ||
| 16.06.14 | 2nd round | Elitsa Kostova | Eva Wacanno | 6-1, 6-2 | | match details | ||
| 16.06.14 | 1/4 | Elitsa Kostova | Cindy Burger | 4-6, 7-65, 6-1 | | match details | ||
| 09.06.14 | 1st round | Kristina Barrois | Elitsa Kostova | 6-2, 7-62 | | match details | Essen | Clay |
| 26.05.14 | 1st round | Lisa-Maria Moser | Elitsa Kostova | 6-4, 3-6, 6-4 | | match details |  Maribor | Clay |
| 28.04.14 | 1st round | Julia Boserup | Elitsa Kostova | 7-5, 6-2 | | match details | Indian Harbour | Clay |
| 21.04.14 | 1st round | Elitsa Kostova | Maria Sanchez | 6-2, 6-1 | | match details | Charlottesville | Clay |
| 21.04.14 | 2nd round | Grace Min | Elitsa Kostova | 7-61, 6-2 | | match details | ||
| 06.04.14 | q 2 | Florencia Molinero | Elitsa Kostova | 7-61, 6-4 | | match details | Bogota | Clay |
| 05.04.14 | q 1 | Elitsa Kostova | Christina Shakovets | 7-66, 6-1 | | match details | ||
| 17.03.14 | q 1 | Elitsa Kostova | Elizabeth Kilborn | 6-0, 6-0 | | match details | Innisbrook | Clay |
| 17.03.14 | q 2 | Elitsa Kostova | Ashley Weinhold | 6-3, 6-3 | | match details | ||
| 17.03.14 | qual. | Ling Zhang | Elitsa Kostova | 6-4, 7-5 | | match details | ||
| 10.03.14 | 2nd round | Florencia Molinero | Elitsa Kostova | 6-3, 7-66 | | match details | Sao Paulo | Clay |
| 10.03.14 | 1st round | Elitsa Kostova | Nathaly Kurata | 6-1, 7-5 | | match details | ||
| 03.03.14 | 2nd round | Alexandra Panova | Elitsa Kostova | 6-3, 6-4 | | match details | Campinas | Clay |
| 03.03.14 | 1st round | Elitsa Kostova | Maria Joao Koehler | 4-6, 6-1, 7-63 | | match details | ||
| 20.01.14 | 1st round | Asia Muhammad | Elitsa Kostova | 6-3, 4-6, 6-1 | | match details | Daytona Beach | Clay |
| 13.01.14 | 1st round | Laura Siegemund | Elitsa Kostova | 6-3, 4-6, 6-3 | | match details | Port St. | Clay |
| 06.01.14 | 1/4 | Polina Vinogradova | Elitsa Kostova | Elitsa Kostova - walk over | | match details | Vero Beach | Clay |
| 06.01.14 | 2nd round | Elitsa Kostova | Louisa Chirico | 6-3, 6-3 | | match details | ||
| 06.01.14 | 1st round | Elitsa Kostova | Katerina Kramperova | 4-6, 6-1, 3-1, Katerina Kramperova - retired | | match details | ||
| 16.09.13 | 1st round | Stephanie Vogt | Elitsa Kostova | 3-6, 6-3, 6-2 | | match details | Saint Malo | Clay |
| 02.09.13 | 1st round | Elitsa Kostova | Maria Irigoyen | 2-6, 6-3, 7-5 | | match details | Alphen aan | Clay |
| 02.09.13 | 1/4 | Arantxa Rus | Elitsa Kostova | 6-2, 6-1 | | match details | ||
| 02.09.13 | 2nd round | Elitsa Kostova | Aleksandrina Naydenova | 7-5, 6-2 | | match details | ||
| 26.08.13 | 1/2 | Arantxa Rus | Elitsa Kostova | 6-3, 6-4 | | match details |  Fleurus | Clay |
| 26.08.13 | 1st round | Elitsa Kostova | Eva Wacanno | 6-1, 6-2 | | match details | ||
| 26.08.13 | 2nd round | Elitsa Kostova | Lisanne Van Riet | 6-3, 5-7, 7-5 | | match details | ||
| 26.08.13 | 1/4 | Elitsa Kostova | Myrtille Georges | 6-4, 6-4 | | match details | ||
| 12.08.13 | 1st round | Beatriz Garcia-Vidagany | Elitsa Kostova | 6-2, 7-65 | | match details | Craiova | Clay |
| 29.07.13 | 1st round | Yvonne Neuwirth | Elitsa Kostova | 7-64, 6-2 | | match details | Bad Saulgau | Clay |
| 13.07.13 | q 1 | Aleksandrina Naydenova | Elitsa Kostova | 6-2, 6-2 | | match details | Bad Gastein | Clay |
| 08.07.13 | 1st round | Lesley Pattinama Kerkhove | Elitsa Kostova | 6-4, 2-6, 7-67 | | match details | Aschaffenburg | Clay |
| 24.06.13 | 1st round | Laetitia Sarrazin | Elitsa Kostova | 6-3, 4-1, Elitsa Kostova - retired | | match details | Perigueux | Clay |
| 17.06.13 | 1/2 | Ana Konjuh | Elitsa Kostova | 6-3, 6-4 | | match details | Montpellier | Clay |
| 17.06.13 | 1st round | Elitsa Kostova | Paula Cristina Goncalves | 6-3, 3-6, 6-3 | | match details | ||
| 17.06.13 | 2nd round | Elitsa Kostova | Daniela Seguel | 6-1, 6-1 | | match details | ||
| 17.06.13 | 1/4 | Elitsa Kostova | Yana Buchina | 7-5, 6-4 | | match details | ||
| 03.06.13 | 1st round | Richel Hogenkamp | Elitsa Kostova | 6-4, 6-2 | | match details | Brescia | Clay |
| 27.05.13 | 1st round | Katarzyna Piter | Elitsa Kostova | 6-4, 6-2 | | match details | Grado | Clay |
| 20.05.13 | 1/4 | Elitsa Kostova | Victoria Kan | 6-3, 7-5 | | match details | Casablanca | Clay |
| 20.05.13 | 1/2 | Laura Pous-Tio | Elitsa Kostova | 6-2, 6-2 | | match details | ||
| 20.05.13 | 1st round | Elitsa Kostova | Barbara Luz | 5-7, 6-1, 6-2 | | match details | ||
| 20.05.13 | 2nd round | Elitsa Kostova | Jade Windley | 6-2, 6-2 | | match details | ||
| 22.04.13 | 2nd round | Victoria Kan | Elitsa Kostova | 6-2, 6-2 | | match details | Tunis | Clay |
| 22.04.13 | 1st round | Elitsa Kostova | Lesley Pattinama Kerkhove | 4-6, 7-5, 6-2 | | match details | ||
| 08.04.13 | 1st round | Danka Kovinic | Elitsa Kostova | 6-1, 7-5 | | match details | La Marsa | Clay |
| 17.09.12 | 1/4 | Andrea Gamiz | Elitsa Kostova | 7-5, 7-5 | | match details | Saint Malo | Clay |
| 17.09.12 | 1st round | Elitsa Kostova | Roxane Vaisemberg | 6-0, 5-7, 6-3 | | match details | ||
| 17.09.12 | 2nd round | Elitsa Kostova | Beatriz Garcia-Vidagany | 6-3, Beatriz Garcia-Vidagany - retired | | match details | ||
| 10.09.12 | 1st round | Eva Fernandez-Brugues | Elitsa Kostova | 6-1, 7-65 | | match details | Mont De | Clay |
| 03.09.12 | 1st round | Timea Bacsinszky | Elitsa Kostova | 6-1, 6-1 | | match details | Mestre | Clay |
| 06.08.12 | 1st round | Elitsa Kostova | Kimberley Zimmermann | 6-3, 6-2 | | match details | Koksijde | Clay |
| 06.08.12 | 2nd round | Andrea Gamiz | Elitsa Kostova | 6-1, 3-6, 7-64 | | match details | ||
| 30.07.12 | 1/4 | Valeria Savinykh | Elitsa Kostova | 6-2, 4-6, 6-1 | | match details | Trnava | Clay |
| 30.07.12 | 1st round | Elitsa Kostova | Michaela Honcova | 6-2, 7-67 | | match details | ||
| 30.07.12 | 2nd round | Elitsa Kostova | Iris Khanna | 6-2, 6-3 | | match details | ||
| 23.07.12 | 1st round | Elitsa Kostova | Zuzana Ondraskova | 4-6, 6-4, 7-5 | | match details | Olomouc | Clay |
| 23.07.12 | 2nd round | Monica Puig | Elitsa Kostova | 6-1, 6-3 | | match details | ||
| 16.07.12 | 1st round | Lara Arruabarrena | Elitsa Kostova | 6-3, 6-3 | | match details | Bucharest | Clay |
| 09.07.12 | 1st round | Kathrin Woerle | Elitsa Kostova | 6-1, 6-2 | | match details | Aschaffenburg | Clay |
| 02.07.12 | 1st round | Elitsa Kostova | Julia Lohoff | 6-4, 6-3 | | match details | Versmold | Clay |
| 02.07.12 | 2nd round | Annika Beck | Elitsa Kostova | 6-4, 6-1 | | match details | ||
| 25.06.12 | 1st round | Timea Bacsinszky | Elitsa Kostova | 4-6, 6-4, 6-3 | | match details | Rome | Clay |
| 11.06.12 | 2nd round | Maria Irigoyen | Elitsa Kostova | 5-7, 6-4, 6-4 | | match details | Craiova | Clay |
| 11.06.12 | 1st round | Elitsa Kostova | Jasmina Tinjic | 6-3, 6-4 | | match details | ||
| 23.05.12 | q 1 | Madalina Gojnea | Elitsa Kostova | 1-6, 6-1, 6-1 | | match details | Paris | Clay |
| 04.06.12 | 1st round | Mervana Jugic-Salkic | Elitsa Kostova | 6-2, 6-2 | | match details | Zlin | Clay |
| 28.05.12 | 1st round | Elitsa Kostova | Claudia Giovine | 6-1, 6-1 | | match details | Grado | Clay |
| 28.05.12 | 2nd round | Maria-Elena Camerin | Elitsa Kostova | 6-1, 6-2 | | match details | ||
| 14.05.12 | 1st round | Irina Khromacheva | Elitsa Kostova | 2-6, 6-3, 6-4 | | match details | Saint Gaudens | Clay |
| 07.05.12 | q 1 | Jana Cepelova | Elitsa Kostova | 4-6, 6-1, 6-2 | | match details | Cagnes Sur | Clay |
| 28.04.12 | q 1 | Kristina Barrois | Elitsa Kostova | 6-4, 6-2 | | match details |  Estoril | Clay |
| 21.04.12 | q 1 | Aravane Rezai | Elitsa Kostova | 6-4, 1-6, 6-1 | | match details | Fes | Clay |
| 16.04.12 | 2nd round | Kathrin Woerle | Elitsa Kostova | 1-6, 6-1, 6-2 | | match details | Civitavecchia | Clay |
| 16.04.12 | 1st round | Elitsa Kostova | Irena Pavlovic | 2-6, 6-2, 6-4 | | match details | ||
| 02.04.12 | 2nd round | Elina Svitolina | Elitsa Kostova | 6-3, 7-61 | | match details | Tessenderlo | Clay |
| 02.04.12 | 1st round | Elitsa Kostova | Elyne Boeykens | 6-1, 6-4 | | match details | ||
| 13.02.12 | 1/4 | Jana Cepelova | Elitsa Kostova | 6-3, 6-3 | | match details | Rabat | Clay |
| 13.02.12 | 2nd round | Elitsa Kostova | Federica Quercia | 6-0, 6-4 | | match details | ||
| 13.02.12 | 1st round | Elitsa Kostova | Stefania Rubini | 6-4, 6-2 | | match details | ||
| 07.11.11 | 2nd round | Elitsa Kostova | Anastasia Grymalska | 6-2, 6-2 | | match details | Benicarlo | Clay |
| 07.11.11 | 1/4 | Elitsa Kostova | Leticia Costas-Moreira | 6-4, 5-7, 6-4 | | match details | ||
| 07.11.11 | 1/2 | Elitsa Kostova | Lara Arruabarrena | 6-2, 6-3 | | match details | ||
| 07.11.11 | 1st round | Elitsa Kostova | Marina Giral Lores | 4-6, 6-4, 6-3 | | match details | ||
| 07.11.11 | fin | Garbine Muguruza | Elitsa Kostova | 7-63, 6-74, 6-3 | | match details | ||
| 03.10.11 | 1/2 | Elitsa Kostova | Mihaela Buzarnescu | 6-2, 6-2 | | match details | Dobrich | Clay |
| 03.10.11 | 1st round | Elitsa Kostova | Laura-Ioana Paar | 6-2, 6-0 | | match details | ||
| 03.10.11 | fin | Elitsa Kostova | Elena Bogdan | 7-66, 6-2 | | match details | ||
| 03.10.11 | 2nd round | Elitsa Kostova | Stefania Rubini | 6-4, 6-3 | | match details | ||
| 03.10.11 | 1/4 | Elitsa Kostova | Cristina Dinu | 6-2, 6-1 | | match details | ||
| 19.09.11 | 1st round | Eva Fernandez-Brugues | Elitsa Kostova | 6-1, 6-2 | | match details | Saint Malo | Clay |
| 12.09.11 | 1st round | Mathilde Johansson | Elitsa Kostova | 4-6, 7-5, 6-3 | | match details | Sofia | Clay |
| 05.09.11 | 1st round | Karin Knapp | Elitsa Kostova | 7-61, 6-3 | | match details | Biella | Clay |
| 08.08.11 | 2nd round | Elitsa Kostova | Martina Gledacheva | Martina Gledacheva - walk over | | match details | Koksijde | Clay |
| 08.08.11 | 1/4 | Elitsa Kostova | Irina Khromacheva | 6-1, 6-1 | | match details | ||
| 08.08.11 | fin | Kiki Bertens | Elitsa Kostova | 6-2, 6-1 | | match details | ||
| 08.08.11 | 1/2 | Elitsa Kostova | Annalisa Bona | 6-2, 6-2 | | match details | ||
| 08.08.11 | 1st round | Elitsa Kostova | Lesley Pattinama Kerkhove | 6-3, 7-5 | | match details | ||
| 01.08.11 | 1/4 | Elitsa Kostova | Alexandra Cadantu | 6-76, 6-3, 7-63 | | match details | Trnava | Clay |
| 01.08.11 | fin | Yvonne Meusburger | Elitsa Kostova | 0-6, 6-2, 6-0 | | match details | ||
| 01.08.11 | 1/2 | Elitsa Kostova | Magda Linette | 1-6, 6-4, 6-3 | | match details | ||
| 01.08.11 | 1st round | Elitsa Kostova | Aleksandra Krunic | 6-4, 6-3 | | match details | ||
| 01.08.11 | 2nd round | Elitsa Kostova | Bibiane Schoofs | 6-3, 4-6, 6-3 | | match details | ||
| 25.07.11 | 1st round | Elitsa Kostova | Severine Beltrame | 6-3, 6-3 | | match details | Olomouc | Clay |
| 25.07.11 | 2nd round | Elitsa Kostova | Kristyna Pliskova | 6-4, 6-3 | | match details | ||
| 25.07.11 | 1/4 | Nastassja Burnett | Elitsa Kostova | 5-7, 7-63, 6-3 | | match details | ||
| 18.07.11 | 1st round | Kiki Bertens | Elitsa Kostova | 6-1, 6-1 | | match details | Bucharest | Clay |
| 11.07.11 | 1st round | Valeria Savinykh | Elitsa Kostova | 6-1, 6-2 | | match details | Contrexeville | Clay |
| 04.07.11 | 2nd round | Edina Gallovits | Elitsa Kostova | 6-1, 5-7, 6-0 | | match details | Biarritz | Clay |
| 04.07.11 | 1st round | Elitsa Kostova | Anna Floris | 1-6, 6-1, 6-2 | | match details | ||
| 20.06.11 | 1st round | Elitsa Kostova | Anastasia Grymalska | 7-5, 5-7, 6-4 | | match details | Tevere Remo | Clay |
| 20.06.11 | 2nd round | Gioia Barbieri | Elitsa Kostova | 7-65, 6-1 | | match details | ||
| 06.06.11 | 1st round | Elitsa Kostova | Katerina Kramperova | 6-4, 6-4 | | match details | Zlin | Clay |
| 06.06.11 | 2nd round | Zuzana Luknarova | Elitsa Kostova | 3-6, 6-2, 6-1 | | match details | ||
| 18.05.11 | q 1 | Kai-Chen Chang | Elitsa Kostova | 6-2, 6-3 | | match details | Paris | Clay |
| 23.05.11 | 1/4 | Nina Bratchikova | Elitsa Kostova | 3-6, 6-2, 7-63 | | match details | Grado | Clay |
| 23.05.11 | 1st round | Elitsa Kostova | Anastasia Grymalska | 3-6, 6-1, 6-3 | | match details | ||
| 23.05.11 | 2nd round | Elitsa Kostova | Annika Beck | 6-4, 6-1 | | match details | ||
| 09.05.11 | 2nd round | Elitsa Kostova | Karolina Pliskova | 1-6, 6-4, 7-5 | | match details | Zagreb | Clay |
| 09.05.11 | 1/4 | Doroteja Eric | Elitsa Kostova | 7-5, 5-7, 6-4 | | match details | ||
| 09.05.11 | 1st round | Elitsa Kostova | Emma Laine | 6-1, 6-3 | | match details | ||
| 25.04.11 | 1st round | Sacha Jones | Elitsa Kostova | 6-1, 6-1 | | match details | Chiasso | Clay |
| 18.04.11 | 1st round | Elitsa Kostova | Valerie Verhamme | 6-4, 7-5 | | match details | Tessenderlo | Clay |
| 18.04.11 | 2nd round | Conny Perrin | Elitsa Kostova | 6-4, 7-65 | | match details | ||
| 11.04.11 | 1st round | Elitsa Kostova | Olivia Sanchez | 6-3, 6-4 | | match details | Casablanca | Clay |
| 11.04.11 | 2nd round | Claire Feuerstein | Elitsa Kostova | 7-65, 1-6, 6-1 | | match details | ||
| 14.02.11 | 1/4 | Anna Floris | Elitsa Kostova | 7-62, 6-2 | | match details | Mallorca | Clay |
| 14.02.11 | 1st round | Elitsa Kostova | Viktoria Kamenskaya | 4-6, 6-4, 6-4 | | match details | ||
| 14.02.11 | 2nd round | Elitsa Kostova | Martina Gledacheva | 6-3, 6-2 | | match details | ||
| 20.09.10 | 1/4 | Elitsa Kostova | Bibiane Schoofs | 5-7, 7-5, 6-2 | | match details | Bucharest | Clay |
| 20.09.10 | 1st round | Elitsa Kostova | Garbine Muguruza | 6-1, 6-0 | | match details | ||
| 20.09.10 | 2nd round | Elitsa Kostova | Lenka Wienerova | 7-66, 6-3 | | match details | ||
| 20.09.10 | 1/2 | Kristina Kucova | Elitsa Kostova | 4-6, 6-1, 6-2 | | match details | ||
| 13.09.10 | 1st round | Madalina Gojnea | Elitsa Kostova | 1-6, 6-4, 6-4 | | match details | Sofia | Clay |
| 06.09.10 | 1st round | Elitsa Kostova | Emilie Bacquet | 6-3, 6-3 | | match details | Denain | Clay |
| 06.09.10 | 2nd round | Elitsa Kostova | Mailen Auroux | 6-1, 6-0 | | match details | ||
| 06.09.10 | 1/4 | Giulia Gatto-Monticone | Elitsa Kostova | 6-3, 4-6, 6-4 | | match details | ||
| 16.08.10 | 2nd round | Michaela Pochabova | Elitsa Kostova | 6-4, 6-2 | | match details | Olomouc | Clay |
| 16.08.10 | 1st round | Elitsa Kostova | Lenka Jurikova | 4-1, Lenka Jurikova - retired | | match details | ||
| 09.08.10 | 1st round | Elitsa Kostova | Justine Ozga | 6-1, 7-64 | | match details | Koksijde | Clay |
| 09.08.10 | 2nd round | Maria-Teresa Torro-Flor | Elitsa Kostova | 6-1, 6-4 | | match details | ||
| 12.07.10 | 1st round | Claire De Gubernatis | Elitsa Kostova | 7-67, 6-2 | | match details | Contrexeville | Clay |
| 28.06.10 | 1/2 | Elitsa Kostova | Natalie Piquion | 6-2, 3-6, 6-4 | | match details | Mont De | Clay |
| 28.06.10 | fin | Petra Cetkovska | Elitsa Kostova | 6-2, 6-2 | | match details | ||
| 28.06.10 | 1st round | Elitsa Kostova | Alize Lim | 6-1, 1-0, Alize Lim - retired | | match details | ||
| 28.06.10 | 2nd round | Elitsa Kostova | Julia Cohen | 6-2, 7-65 | | match details | ||
| 28.06.10 | 1/4 | Elitsa Kostova | Lara Arruabarrena | 6-3, 6-2 | | match details | ||
| 21.06.10 | 1st round | Camila Giorgi | Elitsa Kostova | 5-7, 6-3, 6-3 | | match details | Perigueux | Clay |
| 14.06.10 | 2nd round | Tamara Curovic | Elitsa Kostova | 7-66, 4-6, 6-1 | | match details | Montpellier | Clay |
| 14.06.10 | 1st round | Elitsa Kostova | Claire Feuerstein | 7-66, 6-1 | | match details | ||
| 07.06.10 | 1st round | Elena Bogdan | Elitsa Kostova | 6-3, 6-3 | | match details | Szczecin | Clay |
| 17.05.10 | 1st round | Erika Zanchetta | Elitsa Kostova | 5-7, 6-4, Elitsa Kostova - retired | | match details | Rivoli | Clay |
| 19.04.10 | 1st round | Elitsa Kostova | Astrid Besser | 6-2, 6-1 | | match details | Bari | Clay |
| 19.04.10 | 2nd round | Stephanie Foretz | Elitsa Kostova | 7-65, 7-5 | | match details | ||
| 05.04.10 | 1st round | Zuzana Ondraskova | Elitsa Kostova | 6-3, 1-6, 6-4 | | match details | Civitavecchia | Clay |
| 22.03.10 | 1/4 | Elitsa Kostova | Violette Huck | 6-76, 6-2, 6-1 | | match details | Gonesse | Clay |
| 22.03.10 | 1st round | Elitsa Kostova | Marcella Koek | 6-0, 6-2 | | match details | ||
| 22.03.10 | 2nd round | Elitsa Kostova | Myrtille Georges | 6-4, 6-1 | | match details | ||
| 22.03.10 | 1/2 | Iryna Bremond | Elitsa Kostova | 3-6, 7-65, 7-5 | | match details | ||
| 15.03.10 | 1st round | Elitsa Kostova | Emilie Bacquet | 6-2, 6-2 | | match details | Amiens | Clay |
| 15.03.10 | 2nd round | Yulia Putintseva | Elitsa Kostova | 6-3, 3-6, 7-61 | | match details | ||
| 09.11.09 | 2nd round | Elitsa Kostova | Alize Lim | 6-4, 6-1 | | match details | Le Havre | Clay |
| 09.11.09 | 1/4 | Elitsa Kostova | Manon Garcia | 7-5, 6-3 | | match details | ||
| 09.11.09 | 1/2 | Elitsa Kostova | Laura-Ioana Paar | 6-0, 6-2 | | match details | ||
| 09.11.09 | 1st round | Elitsa Kostova | Emilie Bacquet | 6-2, 6-0 | | match details | ||
| 09.11.09 | fin | Elitsa Kostova | Sina Haas | 6-0, 6-4 | | match details | ||
| 14.09.09 | 1st round | Andrea Hlavackova | Elitsa Kostova | 7-5, 6-0 | | match details | Sofia | Clay |
| 31.08.09 | 1st round | Elitsa Kostova | Tetyana Arefyeva | 3-6, 6-1, 6-4 | | match details | Katowice | Clay |
| 31.08.09 | 2nd round | Ksenia Pervak | Elitsa Kostova | 6-2, 6-2 | | match details | ||
| 10.08.09 | 1st round | Anna Floris | Elitsa Kostova | 3-6, 7-5, 6-2 | | match details | Koksijde | Clay |
| 13.07.09 | 1st round | Elitsa Kostova | Audrey Bergot | 7-5, 6-4 | | match details | Contrexeville | Clay |
| 13.07.09 | 2nd round | Ekaterina Bychkova | Elitsa Kostova | 4-6, 6-3, 6-1 | | match details | ||
| 29.06.09 | 2nd round | Jorgelina Cravero | Elitsa Kostova | 4-6, 7-62, 6-3 | | match details | Mont De | Clay |
| 29.06.09 | 1st round | Elitsa Kostova | Laura-Ioana Paar | 6-0, 6-1 | | match details | ||
| 22.06.09 | 1st round | Elitsa Kostova | Adeline Goncalves | 6-2, 6-4 | | match details | Perigueux | Clay |
| 22.06.09 | 2nd round | Elitsa Kostova | Ksenia Lykina | 6-0, 7-65 | | match details | ||
| 22.06.09 | 1/4 | Yulia Fedossova | Elitsa Kostova | 6-2, 6-3 | | match details | ||
| 01.06.09 | 2nd round | Margalita Chakhnashvili-Ranzinger | Elitsa Kostova | 6-2, 5-7, 6-1 | | match details | Galatina | Clay |
| 01.06.09 | 1st round | Elitsa Kostova | Corinna Dentoni | 6-0, 6-3 | | match details | ||
| 18.05.09 | 1/2 | Nicola Geuer | Elitsa Kostova | 6-3, 6-4 | | match details | L.P De | Clay |
| 18.05.09 | 2nd round | Elitsa Kostova | Li Xi | 6-2, 6-2 | | match details | ||
| 18.05.09 | 1/4 | Elitsa Kostova | Yevgeniya Kryvoruchko | 7-5, 3-6, 6-3 | | match details | ||
| 18.05.09 | 1st round | Elitsa Kostova | Jeanette Draeger | 6-0, 6-2 | | match details | ||
| 27.04.09 | 1st round | Martina Gledacheva | Elitsa Kostova | 6-4, 7-5 | | match details | Brescia | Clay |
| 13.04.09 | 1st round | Marinne Giraud | Elitsa Kostova | 7-62, 3-6, 6-2 | | match details | Civitavecchia | Clay |
| 01.12.08 | fin | Conny Perrin | Elitsa Kostova | 6-4, 6-2 | | match details | Vinaros | Clay |
| 01.12.08 | 1/4 | Elitsa Kostova | Cagla Buyukakcay | 6-4, 6-3 | | match details | ||
| 01.12.08 | 1/2 | Elitsa Kostova | Elena Pioppo | 6-711, 4-1, Elena Pioppo - retired | | match details | ||
| 01.12.08 | 1st round | Elitsa Kostova | Carla Roset-Franco | 6-1, 6-1 | | match details | ||
| 01.12.08 | 2nd round | Elitsa Kostova | Kristina Steiert | 7-5, 4-1, Kristina Steiert - retired | | match details | ||
| 24.11.08 | 2nd round | Elitsa Kostova | Nicolette Van Uitert | 2-6, 7-5, 6-3 | | match details | Vallduxo | Clay |
| 24.11.08 | 1/4 | Elitsa Kostova | Cagla Buyukakcay | 3-6, 6-4, 7-5 | | match details | ||
| 24.11.08 | 1st round | Elitsa Kostova | Paula Mocete-Talamantes | 6-0, 6-0 | | match details | ||
| 24.11.08 | 1/2 | Ema Burgic Bucko | Elitsa Kostova | 6-77, 6-1, 6-0 | | match details | ||
| 03.11.08 | 1st round | Timna Ticic | Elitsa Kostova | 7-5, 6-4 | | match details | Le Havre | Clay |
| 22.09.08 | 1st round | Silvia Disderi | Elitsa Kostova | 6-4, 6-4 | | match details | Lecce | Clay |
| 15.09.08 | 1st round | Elitsa Kostova | Stephanie Foretz | 6-4, 2-6, 6-4 | | match details | Sofia | Clay |
| 15.09.08 | 2nd round | Severine Beltrame | Elitsa Kostova | 6-1, 7-63 | | match details | ||
| 08.09.08 | 2nd round | Elitsa Kostova | Teodora Mircic | 6-2, 7-5 | | match details | Rousse | Clay |
| 08.09.08 | 1/4 | Kyra Nagy | Elitsa Kostova | 3-6, 6-4, 6-3 | | match details | ||
| 08.09.08 | 1st round | Elitsa Kostova | Avgusta Tsybysheva | 6-0, 6-2 | | match details | ||
| 07.07.08 | 1st round | Stefania Chieppa | Elitsa Kostova | 2-6, 6-4, 6-4 | | match details | Rome Tevere | Clay |
| 14.04.08 | 1/4 | Elitsa Kostova | Valentina Sulpizio | 2-6, 6-3, 6-3 | | match details | Belek | Clay |
| 14.04.08 | 1/2 | Elitsa Kostova | Cagla Buyukakcay | 6-1, 6-0 | | match details | ||
| 14.04.08 | 1st round | Elitsa Kostova | Simona Halep | 6-3, 3-6, 6-3 | | match details | ||
| 14.04.08 | 2nd round | Elitsa Kostova | Marcella Koek | 6-3, 6-4 | | match details | ||
| 14.04.08 | fin | Michelle Gerards | Elitsa Kostova | 6-2, 2-6, 7-63 | | match details | ||
| 07.04.08 | 2nd round | Elitsa Kostova | Hanne Skak Jensen | 6-1, 6-2 | | match details | Antalya Belek | Clay |
| 07.04.08 | 1/4 | Michelle Gerards | Elitsa Kostova | 4-6, 7-5, 6-1 | | match details | ||
| 07.04.08 | 1st round | Elitsa Kostova | Elisa Balsamo | 4-6, 7-5, 7-5 | | match details | ||
| 10.03.08 | 1st round | Elitsa Kostova | Annalisa Bona | 7-5, 6-3 | | match details | Real | Clay |
| 10.03.08 | 1/4 | Giulia Gatto-Monticone | Elitsa Kostova | 6-75, 6-0, 6-1 | | match details | ||
| 10.03.08 | 2nd round | Elitsa Kostova | Kinnie Laisne | 6-2, 6-1 | | match details | ||
| 05.11.07 | 2nd round | Bibiane Schoofs | Elitsa Kostova | 6-2, 6-4 | | match details | Le Havre | Clay |
| 05.11.07 | 1st round | Elitsa Kostova | Irene Rehberger-Bescos | 7-65, 5-7, 6-3 | | match details | ||
| 22.10.07 | 1st round | Elitsa Kostova | Dianne Hollands | 7-5, 6-1 | | match details | Augusta Siracusa | Clay |
| 22.10.07 | 2nd round | Elitsa Kostova | Alexandra Popa | 6-2, 6-2 | | match details | ||
| 22.10.07 | 1/4 | Paola Cigui | Elitsa Kostova | 6-3, 6-1 | | match details | ||
| 13.08.07 | 1st round | Tina Bohoric | Elitsa Kostova | 0-6, 7-66, 6-4 | | match details | Pesaro | Clay |
| 11.06.07 | 2nd round | Elitsa Kostova | Alice-Andrada Radu | 6-2, 6-1 | | match details | Bals | Clay |
| 11.06.07 | 1/4 | Laura-Ioana Paar | Elitsa Kostova | 6-4, 7-5 | | match details | ||
| 11.06.07 | 1st round | Elitsa Kostova | Vivian Segnini | 6-0, 6-1 | | match details | ||
| 27.11.06 | 1st round | Vasilisa Davydova | Elitsa Kostova | 6-2, 6-1 | | match details |  Cairo | Clay |
| 13.11.06 | 1st round | Biljana Pavlova | Elitsa Kostova | 7-64, 6-75, 6-2 | | match details | Cairo | Clay |
| 02.10.06 | 1st round | Tanya Germanlieva | Elitsa Kostova | 6-2, 4-6, 6-0 | | match details | Sofia | Clay |
| 11.09.06 | 1st round | Lauren Breadmore | Elitsa Kostova | 7-62, 4-6, 7-64 | | match details | Sofia | Clay |
| 05.06.06 | 1st round | Elitsa Kostova | Valentina Ponomartseva | 6-4, 7-65 | | match details | Haskovo | Clay |
| 05.06.06 | 2nd round | Biljana Pavlova | Elitsa Kostova | 6-1, 7-5 | | match details | ||
| 29.05.06 | 1st round | Elitsa Kostova | Catherine Grotz | 6-0, 2-6, 6-2 | | match details | Rousse | Clay |
| 29.05.06 | 2nd round | Dia Evtimova | Elitsa Kostova | 2-6, 6-3, 6-4 | | match details | ||
| 15.05.06 | 1st round | Elitsa Kostova | Kateryna Yergina | 6-1, 6-1 | | match details | Antalya Serik | Clay |
| 15.05.06 | 2nd round | Vivian Segnini | Elitsa Kostova | 5-7, 6-1, 7-66 | | match details | ||
| 14.03.05 | 1st round | Elitsa Kostova | Erika Pineider | 7-5, 6-1 | | match details | Cairo | Clay |
| 14.03.05 | 2nd round | Elitsa Kostova | Veronika Litvinskaya | 6-2, 6-0 | | match details | ||
| 14.03.05 | 1/4 | Beatriz Garcia-Vidagany | Elitsa Kostova | 0-6, 6-4, 6-3 | | match details |
