| UTR Pro Tennis Series - Barcelona - Damer | 2021/11/05 15:15 | Elitsa Kostova v Valeria Avdeeva | 6-1,6-2 |
| UTR Pro Tennis Series - Barcelona - Damer | 2021/11/04 11:30 | Elitsa Kostova v Nina Ugrelidze | 4-6,6-1,6-0 |
| UTR Pro Tennis Series - Barcelona - Damer | 2021/11/03 10:00 | Agustina Chlpac v Elitsa Kostova | 3-6,0-6 |
| UTR Pro Tennis Series - Barcelona - Damer | 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 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 |
| UTR Pro Tennis Series - Barcelona - Damer | 2021/11/05 09:30 | Daria Krasnova v Ana L De La Nuez | 4-6,6-4,2-5 |
| UTR Pro Tennis Series - Barcelona - Damer | 2021/11/04 08:30 | Victoria G-Barrio v Ana L De La Nuez | 1-6,1-5 |
| UTR Pro Tennis Series - Barcelona - Damer | 2021/11/03 08:30 | Elizabeth Jurna v Ana L De La Nuez | 2-6,2-6 |
| UTR Pro Tennis Series - Barcelona - Damer | 2021/11/01 12:00 | Patricia U-Rogozoveca v Ana L De La Nuez | 0-6,2-6 |
| ITF W15 - Sharm El Sheikh | 2021/10/20 14:50 | Ana L De La Nuez v Iveta Dapkute | 3-6,4-6 |
| ITF W15 - Sharm El Sheikh | 2021/10/13 09:25 | Elena-Teodora Cadar v Ana L De La Nuez | 6-2,6-2 |
| UTR Pro Tennis Series - Barcelona - Damer | 2021/10/09 07:00 | Rosa Vicens Mas v Ana L De La Nuez | 7-5,6-5 |
| UTR Pro Tennis Series - Barcelona - Damer | 2021/10/08 08:00 | Ana L De La Nuez v Valeria Koussenkova | 6-2,5-1 |