| Challenger Series TT | 2023/10/09 17:10 | Sven Happek v Dauud Cheaib | W | 0-3 |
| Challenger Series TT | 2023/09/18 09:10 | Sven Happek v Dauud Cheaib | W | 0-3 |
| Challenger Series TT | 2023/06/22 19:50 | Sven Happek v Dauud Cheaib | W | 0-3 |
| Challenger Series TT | 2023/04/17 19:50 | Sven Happek v Dauud Cheaib | W | 0-3 |
| Challenger Series TT | 2023/04/03 11:10 | Dauud Cheaib v Sven Happek | W | 3-0 |
| Challenger Series TT | 2023/03/13 08:50 | Sven Happek v Dauud Cheaib | W | 0-3 |
| Challenger Series TT | 2023/03/06 14:10 | Dauud Cheaib v Sven Happek | W | 3-0 |
| Challenger Series TT | 2023/02/27 12:50 | Sven Happek v Dauud Cheaib | W | 1-3 |
| Challenger Series TT | 2023/11/13 09:30 | Vidit Desai v Dauud Cheaib | W | 0-3 |
| Challenger Series TT | 2023/11/07 14:30 | Guilherme Teodoro v Dauud Cheaib | L | 3-1 |
| Challenger Series TT | 2023/11/07 13:05 | Dauud Cheaib v Mike Hollo | W | 3-1 |
| Challenger Series TT | 2023/11/07 10:10 | Miguel Nunez v Dauud Cheaib | W | 1-3 |
| Challenger Series TT | 2023/11/07 08:10 | Dauud Cheaib v Nico Longhino | L | 2-3 |
| Challenger Series TT | 2023/11/06 20:10 | Alexander Valuch v Dauud Cheaib | W | 2-3 |
| Challenger Series TT | 2023/11/06 17:30 | Mike Hollo v Dauud Cheaib | W | 0-3 |
| Challenger Series TT | 2023/11/06 14:50 | Dauud Cheaib v Armin Alicic | W | 3-0 |
| Challenger Series TT | 2023/11/13 07:30 | Dennis Klein v Sven Happek | L | 3-0 |
| Challenger Series TT | 2023/10/10 09:10 | Sven Happek v Armin Alicic | L | 0-3 |
| Challenger Series TT | 2023/10/09 19:50 | Sven Happek v Admir Duranspahic | L | 0-3 |
| Challenger Series TT | 2023/10/09 17:10 | Sven Happek v Dauud Cheaib | L | 0-3 |
| Challenger Series TT | 2023/10/09 14:30 | Mike Hollo v Sven Happek | L | 3-1 |
| Challenger Series TT | 2023/10/09 11:50 | Liang Qiu v Sven Happek | L | 3-0 |
| Challenger Series TT | 2023/10/09 09:50 | Sven Happek v Alexander Valuch | L | 0-3 |
| Challenger Series TT | 2023/10/09 07:50 | Sven Happek v Rafael Turrini | L | 0-3 |