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 | 2023/06/20 13:30 | Dennis Klein v Carlo Rossi | W | 3-1 |
| Challenger Series TT | 2023/06/20 11:25 | Dennis Klein v Jose Guillot | W | 3-0 |
| Challenger Series TT | 2023/06/20 09:50 | Dennis Klein v Jose Guillot | W | 3-0 |
| Challenger Series TT | 2023/06/20 06:30 | Dennis Klein v Carlo Rossi | L | 0-3 |
| Challenger Series TT | 2023/06/19 17:50 | Dennis Klein v Akito Itagaki | W | 3-0 |
| Challenger Series TT | 2023/06/19 16:30 | Dennis Klein v Aljaz Godec | W | 3-0 |
| Challenger Series TT | 2023/06/19 11:50 | Dennis Klein v Marco Stefanidis | W | 3-0 |
| Challenger Series TT | 2023/06/19 09:10 | Dennis Klein v Sven Happek | W | 3-1 |
| Challenger Series TT | 2023/04/11 07:50 | Bohdan Sinkevych v Samuel Amann | L | 3-0 |
| Challenger Series TT | 2023/04/10 19:50 | Peter Hribar v Samuel Amann | L | 3-0 |
| Challenger Series TT | 2023/04/10 17:50 | Alvaro Gainza v Samuel Amann | L | 3-2 |
| Challenger Series TT | 2023/04/10 15:50 | Samuel Amann v Dauud Cheaib | L | 0-3 |
| Challenger Series TT | 2023/04/10 13:10 | Samuel Amann v Louis Price | L | 0-3 |
| Challenger Series TT | 2023/04/10 11:10 | Samuel Amann v Miguel Nunez | L | 0-3 |
| Challenger Series TT | 2023/04/10 08:30 | Florian Bluhm v Samuel Amann | L | 3-0 |
| Challenger Series TT | 2023/03/10 09:30 | Dimitrije Levajac v Samuel Amann | L | 3-0 |