| Bonn Int. Women Qual | 05/28 15:25 | - | Pawankorn Punyaratabandhu v Mareike Bittner | L | 2-0 | |
| Portugal Int. Women | 03/05 19:50 | - | Anja Blazina v Mareike Bittner | L | 2-1 | |
| Nouvelle-Aquitaine Int. Women | 08/26 11:05 | - | Mareike Bittner v Ananya Praveen | L | 0-2 | |
| Bonn Int. Women Qual | 06/15 19:20 | - | Rusova/Svecova v Mareike Bittner | L | 2-0 | |
| Bonn Int. Women Qual | 06/15 10:00 | - | Theodora Fragoulidou v Mareike Bittner | W | 0-2 |