| Challenger Series TT | 2022/07/05 08:30 | Dauud Cheaib v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2022/06/27 17:10 | Sven Happek v Dauud Cheaib | L | 0-3 |
| Challenger Ochsenhausen | 2022/05/30 07:50 | Sven Happek v Dauud Cheaib | L | 2-3 |
| Challenger Ochsenhausen | 2022/02/10 13:30 | Dauud Cheaib v Sven Happek | W | 2-3 |
| Challenger Ochsenhausen | 2021/12/13 09:30 | Sven Happek v Dauud Cheaib | L | 0-3 |
| Challenger Ochsenhausen | 2021/12/01 07:30 | Sven Happek v Dauud Cheaib | L | 0-3 |
| Challenger Ochsenhausen | 2021/11/10 13:30 | Dauud Cheaib v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2021/10/27 09:10 | Sven Happek v Dauud Cheaib | L | 1-3 |
| Challenger Series TT | 2022/07/12 09:50 | Kirill Fadeev v Sven Happek | L | 3-1 |
| Challenger Series TT | 2022/07/12 08:30 | Sven Happek v Dennis Klein | L | 1-3 |
| Challenger Series TT | 2022/07/11 18:30 | Amir Hossein Hodaei v Sven Happek | L | 3-2 |
| Challenger Series TT | 2022/07/11 15:50 | Michael Engelhardt v Sven Happek | W | 2-3 |
| Challenger Series TT | 2022/07/11 13:50 | Daniel Rinderer v Sven Happek | L | 3-0 |
| Challenger Series TT | 2022/07/11 09:50 | Felix Kleeberg v Sven Happek | W | 1-3 |
| Challenger Series TT | 2022/07/11 07:10 | Samuel Amann v Sven Happek | W | 1-3 |
| Challenger Series TT | 2022/07/05 08:30 | Dauud Cheaib v Sven Happek | L | 3-0 |
| Challenger Series TT | 2022/07/05 13:50 | Amir Hossein Hodaei v Dauud Cheaib | W | 2-3 |
| Challenger Series TT | 2022/07/05 12:05 | Kirill Fadeev v Dauud Cheaib | L | 3-2 |
| Challenger Series TT | 2022/07/05 09:50 | Nico Wenger v Dauud Cheaib | W | 0-3 |
| Challenger Series TT | 2022/07/05 08:30 | Dauud Cheaib v Sven Happek | W | 3-0 |
| Challenger Series TT | 2022/07/04 18:30 | Amirreza Abbasi v Dauud Cheaib | W | 0-3 |
| Challenger Series TT | 2022/07/04 15:50 | Amir Hossein Hodaei v Dauud Cheaib | L | 3-2 |
| Challenger Series TT | 2022/07/04 13:50 | Mohammadali Rouintanesfahani v Dauud Cheaib | L | 3-2 |
| Challenger Series TT | 2022/07/04 09:50 | Josip Huzjak v Dauud Cheaib | W | 0-3 |