| 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 | 2023/02/06 13:30 | Dauud Cheaib v Dennis Klein | W | 1-3 |
| Challenger Series TT | 2023/01/09 16:10 | Dennis Klein v Dauud Cheaib | W | 3-1 |
| Challenger Series TT | 2022/09/05 17:10 | Dennis Klein v Dauud Cheaib | W | 3-1 |
| Challenger Ochsenhausen | 2021/12/14 10:00 | Dennis Klein v Dauud Cheaib | L | 1-3 |
| Challenger Series TT | 2023/04/03 17:50 | Dennis Klein v Florian Bourrassaud | L | 2-3 |
| Challenger Series TT | 2023/04/03 14:30 | Dennis Klein v Kirill Fadeev | W | 3-2 |
| Challenger Series TT | 2023/04/03 12:30 | Dennis Klein v Sven Happek | W | 3-1 |
| Challenger Series TT | 2023/04/03 09:10 | Pekka Pelz v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/04/03 07:10 | Dennis Klein v Amirreza Abbasi | W | 3-2 |
| Challenger Series TT | 2023/03/28 12:50 | Dennis Klein v Dauud Cheaib | W | 3-1 |
| Challenger Series TT | 2023/03/28 10:45 | Dennis Klein v Jeromy Loffler | W | 3-1 |
| Challenger Series TT | 2023/03/28 08:30 | Dennis Klein v Dauud Cheaib | W | 3-1 |
| Challenger Series TT | 2023/04/03 18:30 | Kirill Fadeev v Dauud Cheaib | L | 3-2 |
| Challenger Series TT | 2023/04/03 16:30 | Pekka Pelz v Dauud Cheaib | W | 0-3 |
| Challenger Series TT | 2023/04/03 15:10 | Dauud Cheaib v Amirreza Abbasi | L | 2-3 |
| Challenger Series TT | 2023/04/03 13:10 | Dauud Cheaib v Emiliano Riofrio | W | 3-0 |
| Challenger Series TT | 2023/04/03 11:10 | Dauud Cheaib v Sven Happek | W | 3-0 |
| Challenger Series TT | 2023/04/03 08:30 | Florian Bourrassaud v Dauud Cheaib | L | 3-2 |
| Challenger Series TT | 2023/03/28 12:50 | Dennis Klein v Dauud Cheaib | L | 3-1 |
| Challenger Series TT | 2023/03/28 11:25 | Dauud Cheaib v Kirill Fadeev | W | 3-1 |