Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2022/09/29 11:50 | Dennis Klein v Samuel Amann | W | 3-0 |
| 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 | 2023/04/07 12:50 | Yannick Vostes v Dennis Klein | W | 1-3 |
| Challenger Series TT | 2023/04/07 12:05 | Florian Bourrassaud v Dennis Klein | L | 3-0 |
| Challenger Series TT | 2023/04/07 09:10 | Dennis Klein v Yannick Vostes | W | 3-0 |
| Challenger Series TT | 2023/04/06 19:50 | Dennis Klein v Florian Bourrassaud | L | 2-3 |
| Challenger Series TT | 2023/04/06 17:10 | Dennis Klein v Makoto Nogami | W | 3-1 |
| Challenger Series TT | 2023/04/06 14:30 | Kirill Fadeev v Dennis Klein | W | 1-3 |
| Challenger Series TT | 2023/04/06 11:50 | Damian Zech v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/04/06 09:50 | Dennis Klein v Dimitrije Levajac | L | 0-3 |
| Challenger Series TT | 2023/03/10 09:30 | Dimitrije Levajac v Samuel Amann | L | 3-0 |
| Challenger Series TT | 2023/03/10 08:10 | Thibault Poret v Samuel Amann | L | 3-0 |
| Challenger Series TT | 2023/03/09 18:10 | Damian Zech v Samuel Amann | L | 3-2 |
| Challenger Series TT | 2023/03/09 16:10 | Dillon Chambers v Samuel Amann | L | 3-2 |
| Challenger Series TT | 2023/03/09 13:30 | Karl Zimmermann v Samuel Amann | L | 3-0 |
| Challenger Series TT | 2023/03/09 12:10 | Guilherme Teodoro v Samuel Amann | L | 3-1 |
| Challenger Series TT | 2023/03/09 07:30 | Kirill Fadeev v Samuel Amann | L | 3-1 |
| Challenger Series TT | 2023/03/03 11:30 | Samuel Amann v Guilherme Teodoro | L | 0-3 |