Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/03/07 10:50 | Aljaz Godec v Dennis Klein | W | 1-3 |
| 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 | 2023/06/19 06:30 | Dennis Klein v Johannes Willeke | W | 3-0 |
| Challenger Series TT | 2023/05/09 12:50 | Humberto Manhani v Dennis Klein | W | 2-3 |
| Challenger Series TT | 2023/05/09 12:05 | Amirreza Abbasi v Dennis Klein | L | 3-1 |
| Challenger Series TT | 2023/05/09 08:30 | Amirreza Abbasi v Dennis Klein | W | 1-3 |
| Challenger Series TT | 2023/05/09 07:10 | Humberto Manhani v Dennis Klein | W | 2-3 |
| Challenger Series TT | 2023/05/08 17:10 | Sven Happek v Dennis Klein | W | 1-3 |
| Challenger Series TT | 2023/06/19 13:50 | Aljaz Godec v Jose Guillot | L | 1-3 |
| Challenger Series TT | 2023/06/19 10:30 | Aljaz Godec v Carlo Rossi | L | 1-3 |
| Challenger Series TT | 2023/06/19 08:30 | Aljaz Godec v Akito Itagaki | L | 1-3 |
| Challenger Series TT | 2023/05/23 07:50 | Michael Engelhardt v Aljaz Godec | W | 2-3 |
| Challenger Series TT | 2023/05/22 19:50 | Sven Happek v Aljaz Godec | W | 0-3 |
| Challenger Series TT | 2023/05/22 17:50 | Jeromy Loffler v Aljaz Godec | W | 0-3 |
| Challenger Series TT | 2023/05/22 15:50 | Aljaz Godec v Damian Zech | L | 0-3 |
| Challenger Series TT | 2023/05/22 13:10 | Aljaz Godec v Louis Price | L | 1-3 |