Stadium: Ochsenhausen, Germany
| 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 | 2023/03/28 12:50 | Dennis Klein v Dauud Cheaib | W | 3-1 |
| Challenger Series TT | 2023/03/28 08:30 | Dennis Klein v Dauud Cheaib | W | 3-1 |
| Challenger Series TT | 2023/03/07 14:30 | Dennis Klein v Dauud Cheaib | W | 3-2 |
| Challenger Series TT | 2023/03/06 16:50 | Dauud Cheaib v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/07/27 09:50 | Dennis Klein v Antonin Gavlas | L | 0-3 |
| Challenger Series TT | 2023/07/27 07:50 | Dennis Klein v Guillaume Alcayde | W | 3-1 |
| Challenger Series TT | 2023/07/11 13:30 | Dennis Klein v Benjamin Fruchart | W | 3-0 |
| Challenger Series TT | 2023/07/11 11:25 | Dennis Klein v Akos Kishegyi | W | 3-0 |
| Challenger Series TT | 2023/07/11 09:10 | Dennis Klein v Armin Alicic | W | 3-1 |
| Challenger Series TT | 2023/07/10 19:50 | Dennis Klein v Kestutis Zeimys | W | 3-0 |
| Challenger Series TT | 2023/07/10 17:10 | Dennis Klein v Samuel Amann | W | 3-0 |
| Challenger Series TT | 2023/07/10 14:30 | Damian Zech v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/07/27 16:30 | Marius Henninger v Dauud Cheaib | W | 0-3 |
| Challenger Series TT | 2023/07/27 15:10 | Dauud Cheaib v Antonin Gavlas | L | 2-3 |
| Challenger Series TT | 2023/07/27 13:10 | Dauud Cheaib v Guillaume Alcayde | W | 3-0 |
| Challenger Series TT | 2023/07/27 11:10 | Dauud Cheaib v Damian Zech | W | 3-0 |
| Challenger Series TT | 2023/07/27 08:30 | Yoan Rebetez v Dauud Cheaib | L | 3-2 |
| Challenger Series TT | 2023/07/21 13:30 | Antonin Gavlas v Dauud Cheaib | L | 3-0 |
| Challenger Series TT | 2023/07/21 12:05 | Amirreza Abbasi v Dauud Cheaib | W | 1-3 |
| Challenger Series TT | 2023/07/21 09:10 | Dauud Cheaib v Miroslav Horejsi | W | 3-1 |