Stadium: Clay 9 Round: 62 Ground: Clay
| ITF W60 Hamburg | 2023/10/17 08:00 | Tina Nadine Smith v Sina Herrmann | 6-0,6-3 |
| ITF W80 Le Neubourg | 2023/09/11 12:55 | Arina Gabriela Vasilescu v Sina Herrmann | 6-4,6-7,6-3 |
| ITF W80 Le Neubourg | 2023/09/10 08:40 | Hanna Bougouffa v Sina Herrmann | 2-6,0-6 |
| ITF W15 Haren | 2023/09/08 12:50 | Sina Herrmann v Josy Daems | 6-2,1-6,2-6 |
| ITF W15 Haren | 2023/09/07 11:50 | Sina Herrmann v Rikke De Koning | 6-0,6-3 |
| ITF W15 Haren | 2023/09/05 17:25 | Sina Herrmann v Agustina Chlpac | 6-0,6-1 |
| ITF W40 Oldenzaal | 2023/08/28 08:00 | Vlada Ekshibarova v Sina Herrmann | 6-3,3-6,6-1 |
| ITF W25 Erwitte | 2023/08/14 14:10 | Sina Herrmann v Nina Vargova | 2-6,4-6 |
| ITF W15 Heraklion | 2023/10/16 06:30 | Anastasiia Poplavska v Karen Marthiens | 0-6,6-2,10-4 |
| ITF W15 Heraklion | 2023/10/15 06:00 | Sophia Derivan v Karen Marthiens | 3-6,1-6 |
| ITF W40 Saint Palais Sur Mer | 2023/09/03 13:55 | Amandine Monnot v Karen Marthiens | 6-3,6-3 |
| ITF W25 Saint Palais Sur Mer | 2022/09/04 12:00 | Tea Zivic v Karen Marthiens | 7-5,1-6,10-7 |
| ITF W60 Vitoria-Gasteiz | 2022/07/17 07:00 | Jenny Duerst v Karen Marthiens | 6-0,6-2 |
| ITF W25 Getxo | 2022/07/04 09:00 | Jenny Duerst v Karen Marthiens | 6-3,6-0 |
| ITF W25 Perigueux | 2022/06/20 07:30 | Julie Myatovic v Karen Marthiens | 4-6,6-4,11-9 |
| ITF W60 Biarritz | 2022/06/06 09:35 | Leire De Ezcurra v Karen Marthiens | 6-3,6-3 |