| Challenger Ochsenhausen | 2021/06/28 11:10 | Andrey Semenov v Dennis Klein | W | 1-3 |
| Challenger Ochsenhausen | 2021/06/11 06:30 | Dennis Klein v Andrey Semenov | L | 1-3 |
| Challenger Ochsenhausen | 2021/04/12 07:10 | Dennis Klein v Andrey Semenov | L | 1-3 |
| Challenger Ochsenhausen | 2021/03/23 08:40 | Andrey Semenov v Dennis Klein | W | 1-3 |