Stadium: Court 3 Round: 27 Ground: Clay
| ITF W15 Warmbad-Villach | 2021/08/20 08:55 | Katarina Kuzmova v Yeon Woo Ku | 0-6,3-6 |
| ITF W15 Bad Waltersdorf | 2021/08/26 07:00 | Manca Pislak v Yeon Woo Ku | 5-7,3-6 |
| ITF W15 Bad Waltersdorf | 2021/08/24 11:45 | Eri Shimizu v Yeon Woo Ku | 4-6,6-2,4-6 |
| ITF W15 Warmbad-Villach | 2021/08/21 09:00 | Yeon Woo Ku v Pia Lovric | 2-6,6-3,0-6 |
| 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 10:25 | Mavie Osterreicher v Yeon Woo Ku | 2-6,3-6 |
| ITF W15 Warmbad-Villach | 2021/08/17 10:30 | Yeon Woo Ku v Deborah Chiesa | 5-7,6-3,6-0 |
| ITF W15 Almada | 2021/07/17 11:10 | Georgia Drummy v Yeon Woo Ku | 7-5,6-2 |
| ITF W15 Almada | 2021/07/16 08:30 | Lucie Nguyen Tan v Yeon Woo Ku | 3-6,2-6 |
| 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 Prokuplje | 2021/07/06 09:00 | Victoria Mboko v Katarina Kuzmova | 6-2,5-7,6-1 |
| ITF W15 Prokuplje | 2021/06/29 09:20 | Katarina Kuzmova v Ana L De La Nuez | 5-7,4-6 |