| Challenger Series TT | 2023/10/17 11:25 | Dauud Cheaib v Dennis Klein | W | 2-3 |
| Challenger Series TT | 2023/10/16 09:10 | Dennis Klein v Dauud Cheaib | L | 2-3 |
| Challenger Series TT | 2023/09/08 12:50 | Dennis Klein v Dauud Cheaib | W | 3-0 |
| Challenger Series TT | 2023/09/07 16:30 | Dennis Klein v Dauud Cheaib | W | 3-1 |
| Challenger Series TT | 2023/07/06 07:50 | Dennis Klein v Dauud Cheaib | W | 3-1 |
| Challenger Series TT | 2023/06/23 13:30 | Dennis Klein v Dauud Cheaib | W | 3-0 |
| Challenger Series TT | 2023/06/23 07:50 | Dennis Klein v Dauud Cheaib | W | 3-0 |
| Challenger Series TT | 2023/04/04 07:10 | Dennis Klein v Dauud Cheaib | W | 3-0 |
| Challenger Series TT | 2023/11/13 17:30 | Dennis Klein v Vidit Desai | W | 3-0 |
| 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 | 2023/11/13 16:50 | Dauud Cheaib v Liang Qiu | W | 3-2 |
| Challenger Series TT | 2023/11/13 14:10 | Dauud Cheaib v Martin Baechler | W | 3-2 |
| Challenger Series TT | 2023/11/13 12:10 | Dauud Cheaib v Sven Happek | W | 3-1 |
| Challenger Series TT | 2023/11/13 09:30 | Vidit Desai v Dauud Cheaib | W | 0-3 |
| Challenger Series TT | 2023/11/07 14:30 | Guilherme Teodoro v Dauud Cheaib | L | 3-1 |
| Challenger Series TT | 2023/11/07 13:05 | Dauud Cheaib v Mike Hollo | W | 3-1 |
| Challenger Series TT | 2023/11/07 10:10 | Miguel Nunez v Dauud Cheaib | W | 1-3 |
| Challenger Series TT | 2023/11/07 08:10 | Dauud Cheaib v Nico Longhino | L | 2-3 |