Stadium: Court 6 Round: 26 Ground: Clay
| ITF - W25 Bydgoszcz - Dublu Masculin | 2021/08/04 16:55 | Hertel/Kubka v Jakupovic/Marcinkevica | 4-6,2-6 |
| ITF - W60 Grodzisk Mazowiecki - Dublu Feminin | 2021/07/30 15:00 | Hertel/Kubka v Gatica/Pereira | 6-3,2-6,7-10 |
| ITF - W60 Grodzisk Mazowiecki - Dublu Feminin | 2021/07/29 13:45 | Hertel/Kubka v Collins/Gamiz | 7-6,1-6,10-7 |
| ITF - W60 Grodzisk Mazowiecki - Dublu Feminin | 2021/07/27 12:40 | Contreras Gomez/Sanchez v Hertel/Kubka | 5-7,1-6 |
| WTA - Gdynia - Dublu Feminin | 2021/07/20 14:25 | Hertel/Kubka v Bara/Lepchenko | 6-7,6-7 |
| ITF - W25 Wroclaw - Dublu Feminin | 2021/07/03 14:50 | Brancaccio/Oz v Hertel/Kubka | 7-6,3-6,7-10 |
| ITF - W25 Wroclaw - Dublu Feminin | 2021/06/30 17:05 | Hertel/Kubka v Danilina/Strakhova | 6-3,6-2 |
| ITF - W25 Wroclaw - Dublu Feminin | 2021/06/29 16:00 | Falkowska/Helgo v Hertel/Kubka | 2-6,1-6 |
| ITF - W25 Bydgoszcz - Dublu Masculin | 2021/08/07 11:15 | Kuwata/Lizarazo v Alves/Shymanovich | 1-6,6-3,5-10 |
| ITF - W25 Bydgoszcz - Dublu Masculin | 2021/08/07 08:00 | Jang/Lee v Alves/Shymanovich | 6-4,1-6,5-10 |
| ITF - W25 Bydgoszcz - Dublu Masculin | 2021/08/05 16:10 | Alves/Shymanovich v Jakupovic/Marcinkevica | 6-3,6-7,10-8 |
| ITF - W25 Bydgoszcz - Dublu Masculin | 2021/08/03 15:05 | Jaskiewicz/Oczachowska v Alves/Shymanovich | 1-6,1-6 |