Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/11/13 12:50 | Dennis Klein v Akito Itagaki | W | 3-1 |
| Challenger Series TT | 2023/11/13 10:10 | Dennis Klein v Alexander Valuch | W | 3-0 |
| Challenger Series TT | 2023/11/13 07:30 | Dennis Klein v Sven Happek | W | 3-0 |
| Challenger Series TT | 2023/10/17 12:50 | Simon Berglund v Dennis Klein | W | 2-3 |
| Challenger Series TT | 2023/10/17 11:25 | Dauud Cheaib v Dennis Klein | W | 2-3 |
| Challenger Series TT | 2023/10/17 09:10 | Dennis Klein v Simon Berglund | L | 0-3 |
| Challenger Series TT | 2023/10/17 06:30 | Dennis Klein v Jong-Eon Yeon | W | 3-0 |
| Challenger Series TT | 2023/10/16 17:50 | Dennis Klein v Stephane Ouaiche | L | 1-3 |
| Challenger Series TT | 2023/11/13 14:50 | Liang Qiu v Vidit Desai | L | 3-1 |
| Challenger Series TT | 2023/11/13 11:30 | Vidit Desai v Martin Baechler | L | 0-3 |
| Challenger Series TT | 2023/11/13 09:30 | Vidit Desai v Dauud Cheaib | L | 0-3 |