| UTR Pro Tennis Series Burgas Women | 2021/10/25 06:30 | Alexia-Shara Iancu v Daria Shalamanova | 1-6,0-6 |
| UTR Pro Tennis Series Burgas Women | 2021/10/25 06:30 | Isabelle Kouzmanov v Aleksandra Gabrovska | 1-6,2-6 |
| ITF W15 Sozopol | 2021/10/04 09:30 | Anna Ozerova v Isabelle Kouzmanov | 6-2,6-3 |
| ITF W15 Sozopol | 2021/09/12 07:00 | Isabelle Kouzmanov v Lucia Martinez Gomez | 3-6,3-6 |
| ITF Women Varna | 2021/09/05 08:30 | Maria Sara Popa v Isabelle Kouzmanov | 7-5,6-3 |
| ITF W15 Antalya | 2021/06/16 16:10 | Isabelle Kouzmanov v Ozlem Uslu | 1-6,5-7 |
| UTR Pro Tennis Series Pazardzhik Women | 2021/05/03 13:00 | Isabelle Kouzmanov v Simona Ogescu | 0-6,0-1 |
| ITF W15 Antalya | 2020/12/15 11:00 | Laura Vasilescu v Isabelle Kouzmanov | 0-6,1-6 |
| ITF W15 Antalya | 2020/12/15 07:00 | Isabelle Kouzmanov v Stefana Lazar | 3-6,3-6 |