| Challenger - Series TT | 2022/07/12 11:25 | Dennis Klein v Kirill Fadeev | L | 3-0 |
| Challenger - Series TT | 2022/07/11 06:30 | Kirill Fadeev v Dennis Klein | L | 2-3 |
| Challenger Ochsenhausen | 2022/06/21 13:30 | Dennis Klein v Kirill Fadeev | L | 3-1 |
| Challenger Ochsenhausen | 2022/06/20 18:30 | Dennis Klein v Kirill Fadeev | L | 3-2 |
| Challenger - Series TT | 2022/06/16 12:30 | Kirill Fadeev v Dennis Klein | W | 3-0 |
| Challenger Ochsenhausen | 2022/05/12 07:10 | Dennis Klein v Kirill Fadeev | L | 3-0 |
| Challenger Ochsenhausen | 2022/03/24 07:30 | Dennis Klein v Kirill Fadeev | L | 3-2 |