| Challenger Ochsenhausen | 2022/02/10 13:30 | Dauud Cheaib v Sven Happek | L | 2-3 |
| Challenger Ochsenhausen | 2021/12/13 09:30 | Sven Happek v Dauud Cheaib | W | 0-3 |
| Challenger Ochsenhausen | 2021/12/01 07:30 | Sven Happek v Dauud Cheaib | W | 0-3 |
| Challenger Ochsenhausen | 2021/11/10 13:30 | Dauud Cheaib v Sven Happek | W | 3-0 |
| Challenger Ochsenhausen | 2021/10/27 09:10 | Sven Happek v Dauud Cheaib | W | 1-3 |
| Challenger Ochsenhausen | 2021/10/13 07:50 | Dauud Cheaib v Sven Happek | W | 3-0 |
| Challenger Ochsenhausen | 2021/10/01 07:50 | Sven Happek v Dauud Cheaib | W | 0-3 |
| Challenger Ochsenhausen | 2021/07/14 09:10 | Sven Happek v Dauud Cheaib | W | 2-3 |
| Challenger Ochsenhausen | 2022/02/10 13:30 | Dauud Cheaib v Sven Happek | L | 2-3 |
| Challenger Ochsenhausen | 2022/02/10 11:30 | David Reitspies v Dauud Cheaib | L | 3-0 |
| Challenger Ochsenhausen | 2022/02/10 10:50 | Dauud Cheaib v Jakub Seibert | W | 3-0 |
| Challenger Ochsenhausen | 2022/02/04 14:30 | Dauud Cheaib v Pavel Platonov | L | 2-3 |
| Challenger Ochsenhausen | 2022/02/04 12:00 | Simon Berglund v Dauud Cheaib | W | 1-3 |
| Challenger Ochsenhausen | 2022/02/04 09:30 | Elia Schmid v Dauud Cheaib | L | 3-2 |
| Challenger Ochsenhausen | 2022/02/04 08:10 | Sanil Shetty v Dauud Cheaib | L | 3-2 |
| Challenger Ochsenhausen | 2022/02/03 18:10 | Rafael Turrini v Dauud Cheaib | W | 1-3 |
| Challenger Series TT | 2022/02/25 07:30 | Sven Happek v Josip Huzjak | W | 3-2 |
| Challenger Series TT | 2022/02/24 18:50 | Sven Happek v Dillon Chambers | L | 1-3 |
| Challenger Ochsenhausen | 2022/02/24 17:30 | Sven Happek v Alexander Valuch | L | 0-3 |
| Challenger Series TT | 2022/02/24 12:50 | Sven Happek v Amirreza Abbasi | L | 1-3 |
| Challenger Series TT | 2022/02/24 10:10 | Sven Happek v Matteo Mutti | L | 1-3 |
| Challenger Series TT | 2022/02/24 07:30 | Sven Happek v Daniel Rinderer | L | 1-3 |
| Challenger Ochsenhausen | 2022/02/11 08:50 | Jakub Seibert v Sven Happek | W | 2-3 |
| Challenger Ochsenhausen | 2022/02/11 08:10 | Eric Jouti v Sven Happek | L | 3-2 |