Stadium: Court P. Dominguez Round: 25 Ground: Clay
| Australian Open Women | 2021/01/10 12:55 | Antonia Lottner v Elitsa Kostova | 6-4,7-5 |
| ITF W25 LPD Gran Canaria | 2020/11/18 13:00 | Elitsa Kostova v Jule Niemeier | 3-6,0-6 |
| French Open Women | 2020/09/24 08:00 | Elitsa Kostova v Monica Niculescu | 0-6,7-6,3-6 |
| French Open Women | 2020/09/22 13:10 | Elitsa Kostova v Gabriela Ce | 7-5,3-6,6-2 |
| ITF W60 Saint Malo | 2020/09/09 10:00 | Magdalena Frech v Elitsa Kostova | 6-3,6-3 |
| WTA Prague | 2020/08/30 16:30 | Elitsa Kostova v Martina Di Giuseppe | 5-7,6-3,3-6 |
| UTR Pro Tennis Series France Women | 2020/08/17 07:05 | Arina Gabriela Vasilescu v Elitsa Kostova | 3-6,1-6 |
| UTR Pro Tennis Series France Women | 2020/08/16 12:20 | Carole Monnet v Elitsa Kostova | 6-4,6-3 |
| ITF W25 Poitiers | 2021/02/22 15:45 | Arianne Hartono v Estelle Cascino | 6-2,6-3 |
| ITF W25 Poitiers | 2021/02/22 11:45 | Martina Spigarelli v Estelle Cascino | 2-6,6-7 |
| UTR Pro Tennis Series France Women | 2020/09/30 09:10 | Estelle Cascino v Yvonne Cavalle-Reimers | 6-3,6-4 |
| UTR Pro Tennis Series France Women | 2020/09/29 12:00 | Silvia Njiric v Estelle Cascino | 2-6,2-6 |
| UTR Pro Tennis Series France Women | 2020/09/29 08:30 | Yvonne Cavalle-Reimers v Estelle Cascino | 2-6,2-6 |
| UTR Pro Tennis Series France Women | 2020/09/28 12:00 | Nicoleta-Catalina Dascalu v Estelle Cascino | 5-7,1-6 |
| UTR Pro Tennis Series France Women | 2020/09/27 09:50 | Justina Mikulskyte v Estelle Cascino | 6-2,4-6,10-12 |
| UTR Pro Tennis Series France Women | 2020/09/26 09:30 | Estelle Cascino v Ganna Poznikhirenko | 6-7,2-6 |