Stadium: Court 3 Round: 62 Ground: Clay
| ITF W25 Frydek Mistek | 2021/09/05 12:00 | Erika Sema v Natalia Slaba | 7-5,6-1 |
| ITF W25 Bécs | 2021/08/30 11:10 | Manca Pislak v Natalia Slaba | 6-1,6-2 |
| ITF W25 Bécs | 2021/08/29 14:00 | Natalia Slaba v Alana Parnaby | 6-3,6-3 |
| ITF W25 Bécs | 2021/08/29 10:00 | Natalia Slaba v Zdena Safarova | 6-3,6-4 |
| ITF W60 Prerov | 2021/08/22 09:00 | Natalia Slaba v Misaki Matsuda | 0-6,6-7 |
| ITF W25 Wroclaw | 2021/06/27 14:00 | Nuria Brancaccio v Natalia Slaba | 6-0,6-0 |
| ITF W15 Sibenik | 2021/05/23 08:00 | Sophie Luescher v Natalia Slaba | 6-0,6-2 |
| ITF W15 Bratislava | 2021/03/23 13:15 | Timea Jaruskova v Natalia Slaba | 6-3,6-4 |
| Polish National Tour - nők | 2020/07/14 17:55 | Paula Kania-Chodun v Karolina Mazurek | 6-1,6-0 |