Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/02/06 13:30 | Dauud Cheaib v Dennis Klein | L | 1-3 |
| Challenger Series TT | 2023/01/09 16:10 | Dennis Klein v Dauud Cheaib | L | 3-1 |
| Challenger Series TT | 2022/09/05 17:10 | Dennis Klein v Dauud Cheaib | L | 3-1 |
| Challenger Ochsenhausen | 2021/12/14 10:00 | Dennis Klein v Dauud Cheaib | W | 1-3 |
| Challenger Ochsenhausen | 2021/12/03 14:30 | Dennis Klein v Dauud Cheaib | L | 3-0 |
| Challenger Ochsenhausen | 2021/12/02 10:50 | Dennis Klein v Dauud Cheaib | L | 3-0 |
| Challenger Ochsenhausen | 2021/11/16 14:15 | Dauud Cheaib v Dennis Klein | W | 3-0 |
| Challenger Ochsenhausen | 2021/11/15 09:30 | Dauud Cheaib v Dennis Klein | W | 3-1 |
| Challenger Series TT | 2023/02/27 20:50 | Dauud Cheaib v Alvaro Gainza | W | 3-0 |
| Challenger Series TT | 2023/02/27 18:10 | Dauud Cheaib v Sushmit Sriram | L | 2-3 |
| Challenger Series TT | 2023/02/27 15:30 | Martin Andersen v Dauud Cheaib | W | 0-3 |
| Challenger Series TT | 2023/02/27 12:50 | Sven Happek v Dauud Cheaib | W | 1-3 |
| Challenger Series TT | 2023/02/27 10:50 | Dauud Cheaib v Remy Pham | W | 3-1 |
| Challenger Series TT | 2023/02/27 08:50 | Dauud Cheaib v Emiliano Riofrio | W | 3-1 |
| Challenger Series TT | 2023/02/24 14:23 | Dauud Cheaib v Rafael Turrini | L | 2-3 |
| Challenger Series TT | 2023/02/24 13:50 | Dauud Cheaib v Rafael Turrini | L | 2-3 |
| Challenger Series TT | 2023/02/10 14:30 | Dennis Klein v Andrei Putuntica | W | 3-0 |
| Challenger Series TT | 2023/02/10 12:25 | Dennis Klein v Sourav Saha | W | 3-1 |
| Challenger Series TT | 2023/02/10 09:30 | Bohdan Sinkevych v Dennis Klein | W | 1-3 |
| Challenger Series TT | 2023/02/10 08:10 | Bastien Dupont v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/02/09 18:10 | Andrei Putuntica v Dennis Klein | W | 2-3 |
| Challenger Series TT | 2023/02/09 16:10 | Alberto Mino v Dennis Klein | W | 1-3 |
| Challenger Series TT | 2023/02/09 13:30 | Marco Stefanidis v Dennis Klein | W | 1-3 |
| Challenger Series TT | 2023/02/09 12:10 | Sourav Saha v Dennis Klein | L | 3-2 |