| 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 | 2023/09/07 11:50 | Dennis Klein v Rafael Turrini | W | 3-0 |
| Challenger Series TT | 2023/09/07 09:10 | Dennis Klein v Tobias Slanina | W | 3-1 |
| Challenger Series TT | 2023/09/07 06:30 | Dennis Klein v Kirill Fadeev | W | 3-0 |
| Challenger Series TT | 2023/08/18 13:30 | Dennis Klein v Kirill Fadeev | W | 3-0 |
| Challenger Series TT | 2023/08/18 11:25 | Dennis Klein v Marius Henninger | W | 3-0 |
| Challenger Series TT | 2023/08/18 08:30 | Tobias Slanina v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/08/18 07:10 | Marius Henninger v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/08/17 17:10 | Kirill Fadeev v Dennis Klein | W | 0-3 |
| Challenger Series TT | 2023/09/07 13:50 | Dauud Cheaib v Miguel Nunez | W | 3-1 |
| Challenger Series TT | 2023/09/07 10:30 | Dauud Cheaib v Corentin Mazaud | W | 3-0 |
| Challenger Series TT | 2023/09/07 08:30 | Dauud Cheaib v Oliver Both | W | 3-1 |
| Challenger Series TT | 2023/08/15 11:30 | Dauud Cheaib v Makoto Nogami | W | 3-0 |
| Challenger Series TT | 2023/08/15 10:05 | Dauud Cheaib v Daniel Rinderer | L | 1-3 |
| Challenger Series TT | 2023/08/15 07:10 | Daniel Rinderer v Dauud Cheaib | W | 0-3 |
| Challenger Series TT | 2023/08/14 18:30 | Samuel Amann v Dauud Cheaib | W | 0-3 |
| Challenger Series TT | 2023/08/14 16:30 | Marcel Neumaier v Dauud Cheaib | W | 0-3 |