Stadium: Court 2 Round: 25 Ground: Clay
| ITF W15 Prokuplje | 2021/06/29 09:20 | Katarina Kuzmova v Ana L De La Nuez | 5-7,4-6 |
| ITF W15 Banja Luka | 2021/06/01 14:35 | Dorka Drahota Szabo v Katarina Kuzmova | 6-1,6-3 |
| ITF W15 Antalya | 2021/05/10 07:00 | Katarina Kuzmova v Selina Atay | 6-1,6-3 |
| ITF W15 Antalya | 2021/05/06 06:55 | Katarina Kuzmova v Misaki Matsuda | 0-6,1-6 |
| ITF W15 Antalya | 2021/05/05 08:50 | Basak Eraydin v Katarina Kuzmova | 5-7,4-6 |
| ITF W15 Antalya | 2021/05/04 07:00 | Katarina Kuzmova v Sara Mikaca | 6-1,6-4 |
| ITF W15 Antalya | 2021/05/02 06:00 | Katarina Kuzmova v Ekaterina Bychkova | 6-4,7-5 |
| ITF W15 Shymkent | 2021/04/14 07:25 | Katarina Kuzmova v Viktoriia Kalinina | 6-3,5-7,6-7 |