Stadium: Court 8 Round: 26 Ground: Hardcourt outdoor
| ITF W15 Sozopol | 2021/09/14 10:00 | Katarina Kuzmova v Maria Krupenina | 6-4,6-3 |
| ITF W15 Bad Waltersdorf | 2021/08/27 09:25 | Yeon Woo Ku v Katarina Kuzmova | 6-2,4-6,7-6 |
| ITF W15 Bad Waltersdorf | 2021/08/26 08:35 | Katarina Kuzmova v Caijsa W Hennemann | 6-4,3-6,6-4 |
| ITF W15 Bad Waltersdorf | 2021/08/25 12:05 | Tamara Kostic v Katarina Kuzmova | 5-7,4-6 |
| ITF W15 Warmbad-Villach | 2021/08/20 08:55 | Katarina Kuzmova v Yeon Woo Ku | 0-6,3-6 |
| ITF W15 Warmbad-Villach | 2021/08/19 08:00 | Romana Cisovska v Katarina Kuzmova | 1-6,6-2,6-7 |
| ITF W15 Warmbad-Villach | 2021/08/18 10:45 | Naima Karamoko v Katarina Kuzmova | 6-3,1-6,1-6 |
| ITF W15 Bratislava | 2021/08/11 08:00 | Katarina Kuzmova v Elena Malygina | 2-6,2-6 |
| ITF W15 Sozopol | 2021/09/15 12:30 | Stefana Lazar v Chiara Catini | 2-6,4-6 |
| ITF W15 Varna | 2021/09/09 06:30 | Elena-Teodora Cadar v Chiara Catini | 3-6,7-6,6-1 |
| ITF W15 Varna | 2021/09/08 08:00 | Chiara Catini v Maria Lota Kaul | 6-4,6-1 |
| ITF W60 Prague | 2021/08/29 11:00 | Alice Rame v Chiara Catini | 6-0,6-1 |
| ITF W15 Chornomorsk | 2021/08/27 11:40 | Chiara Catini v Nicole Fossa Huergo | 1-6,1-6 |
| ITF W15 Chornomorsk | 2021/08/26 07:00 | Chiara Catini v Vladlena Bokova | 6-3,6-1 |
| ITF W15 Chornomorsk | 2021/08/25 07:15 | Chiara Catini v Elena Pridankina | 6-4,6-4 |
| ITF W25 Pescara | 2021/08/01 11:00 | Chiara Catini v Anne Schaefer | 7-6,4-6,5-10 |