| Challenger Series TT | 2022/08/09 09:50 | Dennis Klein v Samuel Amann | W | 3-0 |
| Challenger Series TT | 2022/07/11 12:30 | Samuel Amann v Dennis Klein | W | 0-3 |
| Challenger Ochsenhausen | 2021/06/02 12:30 | Dennis Klein v Samuel Amann | W | 3-0 |
| Challenger Ochsenhausen | 2021/05/11 11:00 | Dennis Klein v Samuel Amann | W | 3-0 |
| Challenger Series TT | 2022/09/29 09:10 | Dennis Klein v Florian Bluhm | L | 2-3 |
| Challenger Series TT | 2022/09/29 06:30 | Dennis Klein v Kirill Fadeev | W | 3-1 |
| Challenger Series TT | 2022/09/06 12:50 | Carlos Muhlbach v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2022/09/06 11:25 | Dennis Klein v Daniel Rinderer | W | 3-2 |
| Challenger Series TT | 2022/09/06 09:50 | Dennis Klein v Anton Limonov | L | 1-3 |
| 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 | 2022/09/29 09:50 | Samuel Amann v Sushmit Sriram | L | 1-3 |
| Challenger Series TT | 2022/09/29 07:50 | Samuel Amann v Rafael De Las Heras | L | 0-3 |
| Challenger Series TT | 2022/09/13 07:50 | Tal Israeli v Samuel Amann | L | 3-0 |
| Challenger Series TT | 2022/09/12 19:50 | Stephane Ouaiche v Samuel Amann | L | 3-1 |
| Challenger Series TT | 2022/09/12 17:50 | Marius Henninger v Samuel Amann | L | 3-0 |
| Challenger Series TT | 2022/09/12 15:50 | Samuel Amann v Albert Vilardell | L | 0-3 |
| Challenger Series TT | 2022/09/12 13:10 | Samuel Amann v Kenan Hrnic | L | 0-3 |
| Challenger Series TT | 2022/09/12 11:10 | Samuel Amann v Kirill Fadeev | L | 1-3 |