Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/04/17 19:50 | Sven Happek v Dauud Cheaib | L | 0-3 |
| Challenger Series TT | 2023/04/03 11:10 | Dauud Cheaib v Sven Happek | L | 3-0 |
| Challenger Series TT | 2023/03/13 08:50 | Sven Happek v Dauud Cheaib | L | 0-3 |
| Challenger Series TT | 2023/03/06 14:10 | Dauud Cheaib v Sven Happek | L | 3-0 |
| Challenger Series TT | 2023/02/27 12:50 | Sven Happek v Dauud Cheaib | L | 1-3 |
| Challenger Series TT | 2023/01/09 12:10 | Sven Happek v Dauud Cheaib | L | 0-3 |
| Challenger Series TT | 2022/12/19 11:30 | Dauud Cheaib v Sven Happek | L | 3-1 |
| Challenger Series TT | 2022/12/15 20:50 | Sven Happek v Dauud Cheaib | L | 0-3 |
| Challenger Series TT | 2023/05/22 07:50 | Sven Happek v Louis Price | W | 3-2 |
| Challenger Series TT | 2023/05/09 09:10 | Sven Happek v Humberto Manhani | L | 1-3 |
| Challenger Series TT | 2023/05/08 19:50 | Sven Happek v Antonin Gavlas | L | 0-3 |
| Challenger Series TT | 2023/05/08 17:10 | Sven Happek v Dennis Klein | L | 1-3 |
| Challenger Series TT | 2023/05/08 14:30 | Anton Andersson v Sven Happek | L | 3-2 |
| Challenger Series TT | 2023/05/08 11:50 | Tobias Slanina v Sven Happek | L | 3-1 |
| Challenger Series TT | 2023/05/08 09:50 | Sven Happek v Amirreza Abbasi | L | 1-3 |
| Challenger Series TT | 2023/05/08 07:50 | Sven Happek v Anton Limonov | L | 0-3 |
| Challenger Series TT | 2023/05/16 12:50 | Dauud Cheaib v David Molnar | L | 1-3 |
| Challenger Series TT | 2023/05/16 11:25 | Yannick Vostes v Dauud Cheaib | L | 3-1 |
| Challenger Series TT | 2023/05/16 08:40 | Akos Kishegyi v Dauud Cheaib | W | 1-3 |
| Challenger Series TT | 2023/05/16 07:10 | Miguel Nunez v Dauud Cheaib | L | 3-2 |
| Challenger Series TT | 2023/05/16 05:40 | Marius Henninger v Dauud Cheaib | W | 1-3 |
| Challenger Series TT | 2023/05/15 15:50 | Dauud Cheaib v David Molnar | L | 2-3 |
| Challenger Series TT | 2023/05/15 13:10 | Dauud Cheaib v Norbert Tauler | W | 3-1 |
| Challenger Series TT | 2023/05/15 11:10 | Dauud Cheaib v Damian Zech | W | 3-1 |