| UTR Pro Tennis Series Plovdiv Women | 2021/12/16 12:00 | Vaneva, Zinovia v Lopicic, Andela | 6-3,6-3 |
| UTR Pro Tennis Series Plovdiv Women | 2021/12/15 07:30 | Vaneva, Zinovia v Velizara Fileva | 4-6,6-2,6-2 |
| UTR Pro Tennis Series Plovdiv Women | 2021/12/14 07:30 | Vaneva, Zinovia v Aneta Kucmova | 6-1,7-5 |
| UTR Pro Tennis Series Plovdiv Women | 2021/12/13 07:30 | Vaneva, Zinovia v Gebriela Mihaylova | 6-1,6-1 |
| UTR Pro Tennis Series Burgas Women | 2021/10/31 07:30 | Katerina Dimitrova v Vaneva, Zinovia | 3-6,1-5 |
| UTR Pro Tennis Series Burgas Women | 2021/10/30 06:30 | Aleksandra Gabrovska v Vaneva, Zinovia | 3-6,4-5 |
| UTR Pro Tennis Series Burgas Women | 2021/10/28 06:30 | Vaneva, Zinovia v Crissy Alexia Tudora | 6-3,6-1 |
| UTR Pro Tennis Series Burgas Women | 2021/10/27 08:00 | Vaneva, Zinovia v Yoanna Radulova | 6-1,6-0 |
| UTR Pro Tennis Series Plovdiv Women | 2021/12/17 12:00 | Kostova, Elitsa v Sokovic, Nevena | 6-2,6-2 |
| UTR Pro Tennis Series Plovdiv Women | 2021/12/16 10:30 | Kostova, Elitsa v Morgina, Anna | 6-3,6-0 |
| UTR Pro Tennis Series Plovdiv Women | 2021/12/15 14:45 | Mariya Vyshkina v Kostova, Elitsa | 0-6,1-6 |
| UTR Pro Tennis Series Plovdiv Women | 2021/12/14 12:00 | Shkumbova, Mirela v Kostova, Elitsa | 2-6,1-5 |
| UTR Pro Tennis Series Barcelona Women | 2021/11/07 12:20 | Kostova, Elitsa v Zlochova, Zuzana | 3-6,5-7 |
| UTR Pro Tennis Series Barcelona Women | 2021/11/06 09:30 | Kostova, Elitsa v Lantigua de La Nuez, Ana | 6-0,6-1 |
| UTR Pro Tennis Series Barcelona Women | 2021/11/05 15:15 | Kostova, Elitsa v Valeria Avdeeva | 6-1,6-2 |
| UTR Pro Tennis Series Barcelona Women | 2021/11/04 11:30 | Kostova, Elitsa v Nina Ugrelidze | 4-6,6-1,6-0 |