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