Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2024/01/29 19:30 | Dauud Cheaib v Dennis Klein | L | 3-2 |
| Challenger Series TT | 2023/11/14 14:30 | Dennis Klein v Dauud Cheaib | W | 3-0 |
| Challenger Series TT | 2023/11/13 18:50 | Dennis Klein v Dauud Cheaib | L | 0-3 |
| 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 | 2024/02/27 14:30 | Liang Qiu v Dennis Klein | W | 1-3 |
| Challenger Series TT | 2024/02/27 13:05 | Dennis Klein v Mohammed Javad Sohrabi | W | 3-0 |
| Challenger Series TT | 2024/02/27 08:50 | Alexander Valuch v Dennis Klein | W | 1-3 |
| Challenger Series TT | 2024/02/26 20:50 | Samuel Amann v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2024/02/26 18:50 | Akito Itagaki v Dennis Klein | L | 3-1 |
| Challenger Series TT | 2024/02/26 16:50 | Dennis Klein v Mohammed Javad Sohrabi | W | 3-0 |
| Challenger Series TT | 2024/02/26 14:10 | Dennis Klein v Sven Happek | W | 3-0 |
| Challenger Series TT | 2024/02/26 12:10 | Dennis Klein v Haruki Harada | L | 2-3 |
| Challenger Series TT | 2024/02/16 10:10 | Dauud Cheaib v Michael Engelhardt | W | 3-2 |
| Challenger Series TT | 2024/02/15 20:50 | Dauud Cheaib v Mike Hollo | L | 0-3 |
| Challenger Series TT | 2024/02/15 18:10 | Dauud Cheaib v Norbert Tauler | W | 3-0 |
| Challenger Series TT | 2024/02/15 15:30 | Can Akkuzu v Dauud Cheaib | L | 3-0 |
| Challenger Series TT | 2024/02/15 12:50 | Albert Vilardell v Dauud Cheaib | L | 3-0 |
| Challenger Series TT | 2024/02/15 10:50 | Dauud Cheaib v Mathias Golab | W | 3-1 |
| Challenger Series TT | 2024/02/15 08:50 | Dauud Cheaib v Alberto Mino | L | 0-3 |
| Challenger Series TT | 2024/02/13 13:50 | Takuto Shiba v Dauud Cheaib | L | 3-0 |