| 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 |
| Challenger Ochsenhausen | 2022/06/20 15:10 | Dennis Klein v Sven Happek | W | 3-1 |
| Challenger Ochsenhausen | 2022/06/20 13:10 | Mohammadali Rouintanesfahani v Dennis Klein | W | 2-3 |
| Challenger Ochsenhausen | 2022/06/20 10:30 | Simon Berglund v Dennis Klein | W | 1-3 |
| Challenger Ochsenhausen | 2022/06/20 07:50 | Damian Zech v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2022/06/17 12:50 | Dennis Klein v Amirreza Abbasi | L | 2-3 |
| Challenger Series TT | 2022/06/17 10:45 | Simon Berglund v Dennis Klein | W | 1-3 |
| Challenger Series TT | 2022/06/17 08:30 | Mohammadali Rouintanesfahani v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2022/06/17 07:10 | Amirreza Abbasi v Dennis Klein | W | 1-3 |
| Challenger Ochsenhausen | 2022/06/20 15:50 | Mohammadali Rouintanesfahani v Kirill Fadeev | W | 0-3 |
| Challenger Ochsenhausen | 2022/06/20 13:50 | Simon Berglund v Kirill Fadeev | W | 1-3 |
| Challenger Ochsenhausen | 2022/06/20 09:50 | Damian Zech v Kirill Fadeev | W | 1-3 |
| Challenger Ochsenhausen | 2022/06/20 07:10 | Florian Bluhm v Kirill Fadeev | W | 2-3 |
| Challenger Series TT | 2022/06/17 12:10 | Simon Berglund v Kirill Fadeev | L | 3-0 |
| Challenger Series TT | 2022/06/17 11:25 | Amirreza Abbasi v Kirill Fadeev | L | 3-2 |
| Challenger Series TT | 2022/06/17 09:50 | Kirill Fadeev v Simon Berglund | L | 2-3 |
| Challenger Series TT | 2022/06/17 07:50 | Kirill Fadeev v Elia Schmid | W | 3-0 |