Stadium: Court 1 Round: 26 Ground: Clay
| ITF W25 - Radom | 2021/08/11 11:00 | Valeriya Olyanovskaya v Ania Hertel | 6-7,2-6 |
| ITF W25 - Bydgoszcz | 2021/08/02 13:10 | Mika D Fruchtman v Ania Hertel | 6-7,6-4,10-8 |
| ITF W60 - Grodzisk Mazowiecki | 2021/07/28 13:45 | Ania Hertel v Anastasia Zakharova | 3-6,2-6 |
| Polish National Tour - Dames | 2021/07/15 12:30 | Ania Hertel v Magdalena Frech | 1-6,2-6 |
| Polish National Tour - Dames | 2021/07/14 08:00 | Ania Hertel v Weronika Falkowska | 6-2,4-6,6-4 |
| Polish National Tour - Dames | 2021/07/12 08:00 | Ania Hertel v Weronika Baszak | 6-2,6-3 |
| ITF W25 - Wrocław | 2021/06/30 11:55 | Tena Lukas v Ania Hertel | 6-3,6-4 |
| ITF W25 - Wrocław | 2021/06/29 11:55 | Ania Hertel v Weronika Baszak | 6-4,7-5 |
| ITF W25 - Radom | 2021/08/10 11:20 | Anna Kubareva v Reka-Luca Jani | 2-6,7-5,5-7 |
| WTA Cluj-Napoca | 2021/08/03 12:50 | Reka-Luca Jani v Jaqueline Adina Cristian | 1-6,2-6 |
| WTA - Boedapest | 2021/07/15 09:00 | Reka-Luca Jani v Danielle Rose Collins | 5-7,0-6 |
| WTA - Boedapest | 2021/07/13 09:00 | Elisabetta Cocciaretto v Reka-Luca Jani | 4-6,5-7 |
| ITF W100 - Contrexéville | 2021/07/07 12:10 | Reka-Luca Jani v Elsa Jacquemot | 2-6,7-6,4-6 |
| ITF W25 - Wrocław | 2021/07/03 11:25 | Reka-Luca Jani v Ipek Oz | 4-6,0-6 |
| ITF W25 - Wrocław | 2021/07/02 13:50 | Reka-Luca Jani v Weronika Falkowska | 6-2,4-6,6-4 |
| ITF W25 - Wrocław | 2021/06/30 13:10 | Reka-Luca Jani v Julia Avdeeva | 6-3,6-7,6-4 |