| Challenger Series TT | 2023/10/16 09:10 | Dennis Klein v Dauud Cheaib | W | 2-3 |
| Challenger Series TT | 2023/09/08 12:50 | Dennis Klein v Dauud Cheaib | L | 3-0 |
| Challenger Series TT | 2023/09/07 16:30 | Dennis Klein v Dauud Cheaib | L | 3-1 |
| Challenger Series TT | 2023/07/06 07:50 | Dennis Klein v Dauud Cheaib | L | 3-1 |
| Challenger Series TT | 2023/06/23 13:30 | Dennis Klein v Dauud Cheaib | L | 3-0 |
| Challenger Series TT | 2023/06/23 07:50 | Dennis Klein v Dauud Cheaib | L | 3-0 |
| Challenger Series TT | 2023/04/04 07:10 | Dennis Klein v Dauud Cheaib | L | 3-0 |
| Challenger Series TT | 2023/03/28 12:50 | Dennis Klein v Dauud Cheaib | L | 3-1 |
| Challenger Series TT | 2023/10/17 09:50 | Dauud Cheaib v Jong-Eon Yeon | W | 3-0 |
| Challenger Series TT | 2023/10/16 19:10 | Dauud Cheaib v Carlos Caballero | W | 3-1 |
| Challenger Series TT | 2023/10/16 14:30 | Dauud Cheaib v Akito Itagaki | W | 3-1 |
| Challenger Series TT | 2023/10/16 12:30 | Dauud Cheaib v Kirill Fadeev | W | 3-2 |
| Challenger Series TT | 2023/10/16 09:10 | Dennis Klein v Dauud Cheaib | W | 2-3 |
| Challenger Series TT | 2023/10/16 07:10 | Dauud Cheaib v Simon Berglund | L | 1-3 |
| Challenger Series TT | 2023/10/10 13:30 | Dauud Cheaib v Alexander Valuch | W | 3-0 |
| Challenger Series TT | 2023/10/10 11:25 | Dauud Cheaib v Admir Duranspahic | W | 3-1 |
| Challenger Series TT | 2023/10/17 09:10 | Dennis Klein v Simon Berglund | L | 0-3 |
| Challenger Series TT | 2023/10/17 06:30 | Dennis Klein v Jong-Eon Yeon | W | 3-0 |
| Challenger Series TT | 2023/10/16 17:50 | Dennis Klein v Stephane Ouaiche | L | 1-3 |
| Challenger Series TT | 2023/10/16 16:30 | Dennis Klein v Carlos Caballero | W | 3-1 |
| Challenger Series TT | 2023/10/16 11:50 | Dennis Klein v Akito Itagaki | W | 3-0 |
| Challenger Series TT | 2023/10/16 09:10 | Dennis Klein v Dauud Cheaib | L | 2-3 |
| Challenger Series TT | 2023/10/16 06:30 | Dennis Klein v Kirill Fadeev | W | 3-0 |
| Challenger Series TT | 2023/09/08 12:50 | Dennis Klein v Dauud Cheaib | W | 3-0 |