| UTR Pro Tennis Series Plovdiv Women | 2021/12/18 09:00 | Vaneva, Zinovia v Kostova, Elitsa | 6-7,1-5 |
| UTR Pro Tennis Series Sofia Women | 2022/09/01 05:00 | Kostova, Elitsa v Shanelle Iaconi | 6-0,6-1 |
| UTR Pro Tennis Series Sofia Women | 2022/08/31 08:00 | Ela Sahnis v Kostova, Elitsa | 0-6,1-5 |
| UTR Pro Tennis Series Sofia Women | 2022/08/30 06:30 | Darya Velikova v Kostova, Elitsa | 3-6,1-6 |
| UTR Pro Tennis Series Sofia Women | 2022/08/27 08:00 | Ksenia Laskutova v Kostova, Elitsa | 6-7,6-1,6-4 |
| UTR Pro Tennis Series Sofia Women | 2022/08/25 06:30 | Georgia Andreea Craciun v Kostova, Elitsa | 6-7,4-6 |
| UTR Pro Tennis Series Sofia Women | 2022/08/24 08:00 | Cernecka, Alise v Kostova, Elitsa | 6-7,2-6 |
| UTR Pro Tennis Series Sofia Women | 2022/08/22 06:30 | Bokova, Vladlena v Kostova, Elitsa | 1-6,2-6 |
| UTR Pro Tennis Series Bratislava Women | 2022/07/24 07:30 | Ekaterina Reyngold v Kostova, Elitsa | 6-3,6-3 |
| UTR Pro Tennis Series Sofia Women | 2022/09/01 06:30 | Ela Sahnis v Vaneva, Zinovia | 4-6,0-6 |
| UTR Pro Tennis Series Sofia Women | 2022/08/31 08:00 | Darya Velikova v Vaneva, Zinovia | 2-6,7-6,3-6 |
| UTR Pro Tennis Series Sofia Women | 2022/08/29 05:00 | Shanelle Iaconi v Vaneva, Zinovia | 1-6,4-6 |
| UTR Pro Tennis Series Sofia Women | 2022/08/28 05:00 | Vaneva, Zinovia v Shalamanova, Daria | 4-6,3-5 |
| UTR Pro Tennis Series Sofia Women | 2022/08/27 06:30 | Vaneva, Zinovia v Gebriela Mihaylova | 6-2,6-1 |
| UTR Pro Tennis Series Sofia Women | 2022/08/26 05:00 | Margaux Komano v Vaneva, Zinovia | 4-6,5-6 |
| UTR Pro Tennis Series Sofia Women | 2022/08/25 06:30 | Bojana Marinkovic v Vaneva, Zinovia | 6-4,6-2 |
| UTR Pro Tennis Series Sofia Women | 2022/08/23 05:00 | Ksenia Laskutova v Vaneva, Zinovia | 6-2,6-1 |