| UTR Pro Tennis Series Pazardzhik Women | 2021/05/06 07:00 | Ruseva, Nikol v Rositsa Dencheva | 0-6,5-6 |
| UTR Pro Tennis Series Pazardzhik Women | 2021/05/05 09:00 | Ruseva, Nikol v Darja Semenistaja | 0-6,0-6 |
| UTR Pro Tennis Series Pazardzhik Women | 2021/05/04 08:30 | Ruseva, Nikol v Stefana Lazar | 2-6,2-5 |
| ITF - W15 Antalya | 2021/02/14 06:00 | Kimmelmann, Julia v Ruseva, Nikol | 6-3,6-1 |
| ITF - W15 Antalya | 2021/02/07 09:30 | Ruseva, Nikol v Ogescu, Simona | 4-6,1-6 |
| ITF - W15 Antalya | 2021/01/31 11:30 | Ruseva, Nikol v Iordache, Alexandra | 5-7,2-6 |
| ITF W15 Pazardzhik | 2020/10/27 08:00 | Zund, Sylvie v Ruseva, Nikol | 6-1,6-3 |
| ITF W15 Pazardzhik | 2020/10/26 09:30 | Veleva, Beloslava v Ruseva, Nikol | 6-2,2-6,7-10 |
| UTR Pro Tennis Series Pazardzhik Women | 2021/05/06 08:30 | Trencheva, Elena v Yoanna Radulova | 4-6,7-6,0-5 |
| UTR Pro Tennis Series Pazardzhik Women | 2021/05/05 13:30 | Trencheva, Elena v Julia Terziyska | 2-6,1-6 |
| UTR Pro Tennis Series Pazardzhik Women | 2021/05/04 10:00 | Trencheva, Elena v Katerina Dimitrova | 3-6,0-6 |
| UTR Pro Tennis Series Pazardzhik Women | 2021/05/03 07:00 | Trencheva, Elena v Gebriela Mihaylova | 0-6,3-5 |
| ITF W15 Pazardzhik | 2020/10/26 11:00 | Trencheva, Elena v Draskovic, Anja | 4-6,5-7 |
| ITF Women Varna | 2020/09/07 11:30 | Trencheva, Elena v Chantal Sauvant | 5-7,2-6 |
| ITF - W15 Héraklion | 2020/03/08 08:30 | Trencheva, Elena v Viglianisi, Alice | 6-4,5-7,3-10 |
| ITF - W15 Héraklion | 2020/03/02 08:30 | Agustina Chlpac v Trencheva, Elena | 6-4,6-2 |