Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/07/04 09:10 | Dennis Klein v Mathias Golab | W | 3-0 |
| Challenger Series TT | 2023/07/06 19:50 | Dennis Klein v Benjamin Fruchart | W | 3-1 |
| Challenger Series TT | 2023/07/06 17:10 | Dennis Klein v Liang Qiu | W | 3-1 |
| Challenger Series TT | 2023/07/06 14:30 | Hannes Hormann v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/07/06 11:50 | Johannes Willeke v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/07/06 09:50 | Dennis Klein v David Reitspies | W | 3-0 |
| Challenger Series TT | 2023/07/06 07:50 | Dennis Klein v Dauud Cheaib | W | 3-1 |
| Challenger Series TT | 2023/07/04 13:30 | Dennis Klein v Benjamin Fruchart | W | 3-2 |
| Challenger Series TT | 2023/07/04 11:25 | Kirill Fadeev v Dennis Klein | W | 2-3 |
| Challenger Series TT | 2023/07/07 07:10 | Mathias Golab v Liang Qiu | L | 0-3 |
| Challenger Series TT | 2023/07/06 19:10 | Hannes Hormann v Mathias Golab | L | 3-1 |
| Challenger Series TT | 2023/07/06 16:30 | Johannes Willeke v Mathias Golab | L | 3-0 |
| Challenger Series TT | 2023/07/06 13:50 | Mathias Golab v David Reitspies | L | 0-3 |
| Challenger Series TT | 2023/07/06 10:30 | Mathias Golab v Dauud Cheaib | L | 1-3 |
| Challenger Series TT | 2023/07/06 08:30 | Mathias Golab v Benjamin Fruchart | L | 1-3 |
| Challenger Series TT | 2023/07/04 09:10 | Dennis Klein v Mathias Golab | L | 3-0 |
| Challenger Series TT | 2023/07/04 07:10 | Mathias Golab v Daniel Rinderer | L | 1-3 |