Kostova Elitsa (Bulgaria)
- Show:
 Serbia: Belgrade - Singles - Main | |||||||
|---|---|---|---|---|---|---|---|
| 1/16-finals | Kostova E. | Rus A. | 0:2 (1:6, 0:6) | details | 27.07.2021 | ||
 France: W60 Biarritz - Singles - Main | |||||||
| 1/16-finals | Kostova E. | Cascino E. | 0:2 (4:6, 3:6) | details | 14.07.2021 | ||
| France: W100 Contrexeville - Singles - Main | |||||||
| 1/8-finals | Kostova E. | Galfi D. | 0:2 (62:7, 1:6) | details | 08.07.2021 | ||
| 1/16-finals | Eikeri U. | Kostova E. | 1:2 (4:6, 6:3, 4:6) | details | 06.07.2021 | ||
 United Kingdom: Wimbledon - Singles - Qualification | |||||||
| Semi-finals | Kostova E. | Wang Xin. | 0:2 (2:6, 1:6) | details | 24.06.2021 | ||
| Quarter-finals | Kostova E. | Aiava D. | 2:0 (6:4, 7:5) | details | 23.06.2021 | ||
 Spain: W25 Madrid 2 - Singles - Main | |||||||
| 1/16-finals | Marti L. | Kostova E. | CAN. | details | 16.06.2021 | ||
| Spain: W25 Madrid - Singles - Main | |||||||
| Quarter-finals | Anderson R. | Kostova E. | 2:0 (7:61, 6:2) | details | 11.06.2021 | ||
| 1/8-finals | Cavalle-Reimers Y. | Kostova E. | 1:2 (6:3, 2:6, 5:7) | details | 10.06.2021 | ||
| 1/16-finals | Poznikhirenko G. | Kostova E. | 0:2 (3:6, 3:6) | details | 09.06.2021 | ||
| France: French Open - Singles - Qualification | |||||||
| Semi-finals | Kostova E. | Gorgodze E. | 0:2 (65:7, 3:6) | details | 26.05.2021 | ||
| Quarter-finals | Djoubri S. | Kostova E. | 0:2 (3:6, 2:6) | details | 24.05.2021 | ||
 Switzerland: W60 Bellinzona - Singles - Main | |||||||
| 1/32-finals | Turati B. | Kostova E. | 2:0 (6:4, 6:4) | details | 05.04.2021 | ||
 United Arab Emirates: W25 Dubai - Singles - Main | |||||||
| Quarter-finals | Kostova E. | Hatouka Y. | 0:2 (2:6, 5:7) | details | 01.04.2021 | ||
| 1/8-finals | Pattinama Kerkhove L. | Kostova E. | 0:2 (2:6, 5:7) | details | 31.03.2021 | ||
| 1/16-finals | Kostova E. | Sharipova S. | 2:1 (6:4, 4:6, 6:1) | details | 30.03.2021 | ||
| 1/16-finals | Kostova E. | Ozgen P. | CAN. | details | 30.03.2021 | ||
 Australia: Australian Open - Singles - Qualification | |||||||
| Quarter-finals | Lottner A. | Kostova E. | 2:0 (6:4, 7:5) | details | 10.01.2021 | ||
| Spain: W25 Las Palmas de Gran Canaria - Singles - Main | |||||||
| 1/16-finals | Kostova E. | Niemeier J. | 0:2 (3:6, 0:6) | details | 18.11.2020 | ||
| France: French Open - Singles - Qualification | |||||||
| Semi-finals | Kostova E. | Niculescu M. | 1:2 (0:6, 7:61, 3:6) | details | 24.09.2020 | ||
| Quarter-finals | Kostova E. | Ce G. | 2:1 (7:5, 3:6, 6:2) | details | 22.09.2020 | ||
| France: W60+H Saint-Malo - Singles - Main | |||||||
| 1/16-finals | Frech M. | Kostova E. | 2:0 (6:3, 6:3) | details | 09.09.2020 | ||
 Czech Republic: Prague - Singles - Main | |||||||
| 1/64-finals | Kostova E. | Di Giuseppe M. | 1:2 (5:7, 6:3, 3:6) | details | 31.08.2020 | ||
 World: UTR Pro Match Series - Singles - Main | |||||||
| Vasilescu A. | Kostova E. | 0:2 (3:6, 1:6) | details | 17.08.2020 | |||
| Monnet C. | Kostova E. | 2:0 (6:4, 6:3) | details | 16.08.2020 | |||
| Marcinkevica D. | Kostova E. | 1:2 (1:6, 7:65, 4:10) | details | 15.08.2020 | |||
| Cavalle-Reimers Y. | Kostova E. | 0:2 (64:7, 4:6) | details | 14.08.2020 | |||
| Dascalu N-C. | Kostova E. | 1:2 (6:4, 4:6, 5:10) | details | 13.08.2020 | |||
 Egypt: W25 Cairo - Singles - Main | |||||||
| 1/8-finals | De Bernardi C. | Kostova E. | CAN. | details | 13.03.2020 | ||
| 1/16-finals | Topalova G. | Kostova E. | 0:2 (2:6, 1:6) | details | 11.03.2020 | ||
| France: Lyon - Singles - Qualification | |||||||
| Semi-finals | Kostova E. | Lu J. | 0:2 (1:6, 3:6) | details | 29.02.2020 | ||
| United Kingdom: W25 Sunderland - Singles - Main | |||||||
| 1/16-finals | Raducanu E. | Kostova E. | 2:0 (7:5, 6:1) | details | 26.02.2020 | ||
| United Arab Emirates: Dubai - Singles - Qualification | |||||||
| Quarter-finals | Kostova E. | Gatto-Monticone G. | 0:2 (5:7, 1:6) | details | 15.02.2020 | ||
 Slovakia: W25 Trnava 2 - Singles - Main | |||||||
| 1/8-finals | Khromacheva I. | Kostova E. | 2:0 (6:4, 6:4) | details | 13.02.2020 | ||
| 1/16-finals | Samardzic A. E. | Kostova E. | 0:2 (1:6, 1:6) | details | 12.02.2020 | ||
| Slovakia: W25 Trnava - Singles - Main | |||||||
| 1/16-finals | Kostova E. | Lazaro Garcia A. | 0:2 (3:6, 3:6) | details | 05.02.2020 | ||
- Show:
| France: W60 Biarritz - Doubles - Main | |||||||
|---|---|---|---|---|---|---|---|
| Quarter-finals | Cascino E./Kostova E. | Selekhmeteva O./Vismane D. | 1:2 (4:6, 6:4, 4:10) | details | 14.07.2021 | ||
| France: W100 Contrexeville - Doubles - Main | |||||||
| Quarter-finals | Hesse A./Seguel D. | Fetecau I./Kostova E. | WO. | details | 08.07.2021 | ||
| 1/8-finals | Kempen M./Zuger J. | Fetecau I./Kostova E. | WO. | details | 07.07.2021 | ||
| United Arab Emirates: W25 Dubai - Doubles - Main | |||||||
| Quarter-finals | Grey S. B./Kostova E. | Choi J. H./Han N. | 0:2 (1:6, 1:6) | details | 01.04.2021 | ||
| 1/8-finals | Raina A./Savinykh V. | Grey S. B./Kostova E. | 1:2 (6:4, 4:6, 10:12) | details | 31.03.2021 | ||
| Spain: W25 Las Palmas de Gran Canaria - Doubles - Main | |||||||
| Quarter-finals | Lazaro Garcia A./Papamichail D. | Hesse A./Kostova E. | 2:0 (6:2, 7:5) | details | 19.11.2020 | ||
| 1/8-finals | Hesse A./Kostova E. | Berlanga Bandera M./Lerby C. | 2:0 (6:1, 6:2) | details | 17.11.2020 | ||
| France: W60+H Saint-Malo - Doubles - Main | |||||||
| Semi-finals | Kania-Chodun P./Piter K. | Kostova E./Lepchenko V. | 2:0 (6:1, 7:5) | details | 11.09.2020 | ||
| Quarter-finals | Bara I./Guerrero Alvarez E. | Kostova E./Lepchenko V. | 0:2 (3:6, 5:7) | details | 10.09.2020 | ||
| 1/8-finals | Kostova E./Lepchenko V. | Jacquemot E./Yashina E. | 2:0 (6:0, 6:3) | details | 09.09.2020 | ||
| Egypt: W25 Cairo - Doubles - Main | |||||||
| 1/8-finals | Lee P.-C./Lee Y.-H. | Kostova E./Kubareva A. | 2:0 (6:3, 6:3) | details | 10.03.2020 | ||
| Slovakia: W25 Trnava 2 - Doubles - Main | |||||||
| Quarter-finals | Juhaszova V./Kostova E. | Bondar A./Mihalikova T. | 0:2 (3:6, 64:7) | details | 13.02.2020 | ||
| 1/8-finals | Juhaszova V./Kostova E. | Berankova K./Yashina E. | 2:0 (7:63, 6:3) | details | 11.02.2020 | ||
| Slovakia: W25 Trnava - Doubles - Main | |||||||
| 1/8-finals | Juhaszova V./Kostova E. | In-Albon Y./Perrin C. | 0:2 (5:7, 4:6) | details | 04.02.2020 | ||