| UTR Pro Tennis Series - Barcelona - Damen | 2021/11/03 10:00 | Agustina Chlpac v Elitsa Kostova | 3-6,0-6 |
| UTR Pro Tennis Series - Barcelona - Damen | 2021/11/02 12:30 | Lucia Aranda Arcas v Elitsa Kostova | 6-4,4-6,1-5 |
| WTA - Belgrad | 2021/07/27 14:50 | Elitsa Kostova v Arantxa Rus | 1-6,0-6 |
| ITF Damen - W60 - Biarritz | 2021/07/14 09:30 | Elitsa Kostova v Estelle Cascino | 4-6,3-6 |
| ITF - W100 - Contrexeville | 2021/07/08 10:00 | Elitsa Kostova v Dalma Galfi | 6-7,1-6 |
| ITF - W100 - Contrexeville | 2021/07/06 11:45 | Ulrikke Eikeri v Elitsa Kostova | 4-6,6-3,4-6 |
| Wimbledon - Damen | 2021/06/24 10:00 | Elitsa Kostova v Xinyu Wang | 2-6,1-6 |
| Wimbledon - Damen | 2021/06/23 10:00 | Elitsa Kostova v Destanee Aiava | 6-4,7-5 |
| UTR Pro Tennis Series - Barcelona - Damen | 2021/11/02 13:30 | Agustina Chlpac v Nina Ugrelidze | 6-4,5-3 |
| UTR Pro Tennis Series - Barcelona - Damen | 2021/11/01 10:30 | Nina Ugrelidze v Valeria Avdeeva | 6-3,1-6,5-2 |
| UTR Pro Tennis Series - Barcelona - Damen | 2021/10/31 13:00 | Anna Morgina v Nina Ugrelidze | 6-3,6-4 |
| UTR Pro Tennis Series - Barcelona - Damen | 2021/10/31 08:00 | Nina Ugrelidze v Daria Krasnova | 7-6,5-4 |
| UTR Pro Tennis Series - Barcelona - Damen | 2021/10/29 10:00 | Esther Lopez v Nina Ugrelidze | 6-4,5-1 |
| UTR Pro Tennis Series - Barcelona - Damen | 2021/10/28 12:30 | Maja Radenkovic v Nina Ugrelidze | 6-4,2-6,1-6 |
| UTR Pro Tennis Series - Barcelona - Damen | 2021/10/27 07:00 | Sapfo Sakellaridi v Nina Ugrelidze | 6-0,5-2 |
| UTR Pro Tennis Series - Barcelona - Damen | 2021/10/25 10:00 | Judit Hernandez Miranda v Nina Ugrelidze | 6-3,4-6,4-5 |