| ITF Women Varna | 2020/09/08 07:30 | Ruseva, Nikol v Shkumbova, Mirela | 6-3,6-1 |
| UTR Pro Tennis Series Pazardzhik Women | 2021/05/12 11:30 | Shkumbova, Mirela v Bojana Marinkovic | 4-6,3-6 |
| UTR Pro Tennis Series Pazardzhik Women | 2021/05/11 10:00 | Shkumbova, Mirela v Kostova, Elitsa | 0-6,1-6 |
| UTR Pro Tennis Series Pazardzhik Women | 2021/05/10 11:30 | Shkumbova, Mirela v Shalamanova, Daria | 4-6,3-5 |
| UTR Pro Tennis Series Pazardzhik Women | 2021/05/08 11:00 | Yoanna Radulova v Shkumbova, Mirela | 3-6,4-6 |
| UTR Pro Tennis Series Pazardzhik Women | 2021/05/07 13:30 | Shkumbova, Mirela v Ani Vangelova | 3-6,4-6 |
| UTR Pro Tennis Series Pazardzhik Women | 2021/05/06 10:00 | Shkumbova, Mirela v Kostova, Elitsa | 1-6,0-6 |
| UTR Pro Tennis Series Pazardzhik Women | 2021/05/05 12:00 | Ralitsa Alexandrova v Shkumbova, Mirela | 2-6,6-4,2-6 |
| ITF W15 Pazardzhik | 2020/10/28 11:00 | Vlada Ekshibarova v Shkumbova, Mirela | 7-5,6-4 |
| UTR Pro Tennis Series Pazardzhik Women | 2021/05/12 07:00 | Shalamanova, Daria v Ruseva, Nikol | 6-0,6-0 |
| UTR Pro Tennis Series Pazardzhik Women | 2021/05/09 07:00 | Silvia Maria Costache v Ruseva, Nikol | 6-2,4-6,6-2 |
| UTR Pro Tennis Series Pazardzhik Women | 2021/05/08 06:00 | Ruseva, Nikol v Trencheva, Elena | 6-4,6-3 |
| 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 |