| Challenger Series TT | 2022/09/05 17:10 | Dennis Klein v Dauud Cheaib | W | 3-1 |
| Challenger Series TT | 2022/09/05 13:50 | Dennis Klein v Felix Kohler | W | 3-0 |
| Challenger Series TT | 2022/09/05 12:30 | Dennis Klein v Carlos Muhlbach | L | 0-3 |
| Challenger Series TT | 2022/09/05 09:10 | Daniel Rinderer v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2022/09/05 07:10 | Dennis Klein v Kirill Fadeev | W | 3-0 |
| Challenger Series TT | 2022/09/02 13:30 | Dennis Klein v Amirreza Abbasi | W | 3-1 |
| Challenger Series TT | 2022/09/02 11:25 | Dennis Klein v Elia Schmid | W | 3-0 |
| Challenger Series TT | 2022/09/02 09:50 | Dennis Klein v Denis Bernhard | W | 3-0 |