Stadium: Court 3 Round: 28 Ground: Hardcourt indoor
| ITF M25 Hamburg MD | 2021/10/21 14:00 | Jones/Little v Moeller/Sandkaulen | 7-6,3-6,5-10 |
| ITF M25 Hamburg MD | 2021/10/19 15:50 | Clavel/Van Assendelft v Moeller/Sandkaulen | 1-6,4-6 |
| Challenger Luedenscheid MD | 2021/08/19 13:05 | Begemann/Olivetti v Moeller/Sandkaulen | 6-1,6-3 |
| Challenger Luedenscheid MD | 2021/08/18 12:35 | Moeller/Sandkaulen v Sancic/Sitak | 6-1,6-2 |
| ITF M25 Hamburg MD | 2021/10/21 15:00 | Riedi/Steinegger v Jebens/Lemstra | 6-1,6-4 |
| ITF M25 Hamburg MD | 2021/10/19 16:35 | Riedi/Steinegger v Dhoe/Gadamauri | 3-6,6-3,10-6 |
| ITF M15 Sarreguemines MD | 2020/10/27 10:25 | Riedi/Steinegger v Cazaux/Droguet | 4-6,6-7 |