| UTR Pro Tennis Series Sofia Women | 2021/08/29 13:30 | Maja Radenkovic v Mirela Shkumbova | 6-3,4-6,5-2 |
| UTR Pro Tennis Series Pazardzhik Women | 2021/05/13 06:00 | Mirela Shkumbova v Nikol Ruseva | 6-4,5-2 |
| UTR Pro Tennis Series Pazardzhik Women | 2021/05/12 11:30 | Mirela Shkumbova v Bojana Marinkovic | 4-6,3-6 |
| UTR Pro Tennis Series Pazardzhik Women | 2021/05/11 10:00 | Mirela Shkumbova v Elitsa Kostova | 0-6,1-6 |
| UTR Pro Tennis Series Pazardzhik Women | 2021/05/10 11:30 | Mirela Shkumbova v Daria Shalamanova | 4-6,3-5 |
| UTR Pro Tennis Series Pazardzhik Women | 2021/05/08 11:00 | Yoanna Radulova v Mirela Shkumbova | 3-6,4-6 |
| UTR Pro Tennis Series Pazardzhik Women | 2021/05/07 13:30 | Mirela Shkumbova v Ani Vangelova | 3-6,4-6 |
| UTR Pro Tennis Series Pazardzhik Women | 2021/05/06 10:00 | Mirela Shkumbova v Elitsa Kostova | 1-6,0-6 |
| ITF W25 Braunschweig | 2021/08/26 09:00 | Nastja Kolar v Katharina Hobgarski | 2-6,4-6 |
| ITF W25 Braunschweig | 2021/08/25 09:00 | Helene Pellicano v Nastja Kolar | 0-6,3-6 |
| UTR Pro Tennis Series Zadar Women | 2021/08/11 09:30 | Nastja Kolar v Ema Bolebruchova | 6-1,1-1 |
| UTR Pro Tennis Series Zadar Women | 2021/08/09 09:30 | Sara Mikaca v Nastja Kolar | 1-6,0-5 |
| ITF W25 Parnu | 2021/08/05 08:30 | Anna Siskova v Nastja Kolar | 6-1,6-3 |
| ITF W25 Parnu | 2021/08/04 07:00 | Nastja Kolar v Magali Kempen | 6-4,6-3 |
| ITF W60 Grodzisk Mazowiecki | 2021/07/26 09:30 | Nastja Kolar v Akgul Amanmuradova | 6-1,4-6,3-10 |
| ITF W60 Grodzisk Mazowiecki | 2021/07/25 10:10 | Weronika Jasmina Forys v Nastja Kolar | 2-6,1-6 |