Stadium: Court 1 Round: 25 Ground: Clay
| ITF W60 Prague | 2021/08/29 09:30 | Rosca, Ioana Loredana v Lia Karatancheva | 6-2,6-4 |
| ITF W25 Vrnjacka Banja | 2021/08/17 07:30 | Funa Kozaki v Lia Karatancheva | 6-2,6-3 |
| ITF W25 Vrnjacka Banja | 2021/08/16 11:00 | Tchakarova, Verginie v Lia Karatancheva | 1-6,3-6 |
| ITF W25 Vrnjacka Banja | 2021/08/15 13:00 | Fatma Idrizovic v Lia Karatancheva | 1-6,6-4,8-10 |
| ITF W25 Evansville | 2021/07/14 16:35 | Lia Karatancheva v Emiliana Arango | 1-6,3-6 |
| ITF W25 Evansville | 2021/07/13 16:25 | Lia Karatancheva v Anna Ulyashchenko | 6-1,6-3 |
| ITF W60 Charleston | 2021/06/21 20:50 | Sanchez, Maria v Lia Karatancheva | 6-0,6-4 |
| ITF W25 Sumter | 2021/06/15 15:20 | Lia Karatancheva v Tilbuerger, Jantje | 2-6,1-6 |
| ITF Women Varna | 2021/09/06 13:00 | Ersoz, Vanessa v Tchakarova, Verginie | 6-3,6-0 |
| ITF Women Varna | 2021/09/06 09:00 | Ersoz, Vanessa v Noa Krznaric | 6-3,7-6 |
| ITF Women Varna | 2021/09/05 11:30 | Ersoz, Vanessa v Ljubic, Mija | 6-2,6-2 |
| ITF W25 Braunschweig | 2021/08/23 10:45 | Arina Gabriela Vasilescu v Ersoz, Vanessa | 6-0,6-0 |
| ITF W15 Vejle | 2021/07/28 10:30 | Maria Bondarenko v Ersoz, Vanessa | 6-0,6-1 |
| ITF W15 Vejle | 2021/07/26 09:55 | Ersoz, Vanessa v Sylvie Zund | 7-5,6-3 |
| ITF W15 Vejle | 2021/07/25 07:00 | Ersoz, Vanessa v Natalia Pietras | 6-2,6-4 |
| WTA Bastad | 2021/07/05 09:00 | Caijsa W Hennemann v Ersoz, Vanessa | 6-0,6-1 |