| Challenger Ochsenhausen | 2021/10/13 07:50 | Dauud Cheaib v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2021/10/01 07:50 | Sven Happek v Dauud Cheaib | L | 0-3 |
| Challenger Ochsenhausen | 2021/07/14 09:10 | Sven Happek v Dauud Cheaib | L | 2-3 |
| Challenger Ochsenhausen | 2021/06/18 11:25 | Dauud Cheaib v Sven Happek | L | 3-1 |
| Challenger Ochsenhausen | 2021/06/16 07:10 | Sven Happek v Dauud Cheaib | L | 0-3 |
| Challenger Ochsenhausen | 2021/03/31 13:10 | Dauud Cheaib v Sven Happek | L | 3-1 |
| Challenger Ochsenhausen | 2021/03/15 08:50 | Sven Happek v Dauud Cheaib | L | 0-3 |
| Challenger Ochsenhausen | 2021/03/11 08:10 | Dauud Cheaib v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2021/10/27 06:30 | Sven Happek v Liang Qiu | L | 0-3 |
| Challenger Ochsenhausen | 2021/10/15 09:50 | Evgueni Chtchetinine v Sven Happek | W | 1-3 |
| Challenger Ochsenhausen | 2021/10/15 07:50 | Alexander Valuch v Sven Happek | L | 3-1 |
| Challenger Ochsenhausen | 2021/10/14 11:10 | Sven Happek v Cedric Tschanz | W | 3-0 |
| Challenger Ochsenhausen | 2021/10/14 07:50 | Sven Happek v Andriy Sitak | L | 0-3 |
| Challenger Ochsenhausen | 2021/10/14 06:30 | Amirreza Abbasi v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2021/10/13 10:30 | Andrei Putuntica v Sven Happek | L | 3-1 |
| Challenger Ochsenhausen | 2021/10/13 07:50 | Dauud Cheaib v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2021/10/27 07:10 | Dauud Cheaib v Xavier Dixon | W | 3-0 |
| Challenger Ochsenhausen | 2021/10/15 13:30 | Dauud Cheaib v Andrei Putuntica | W | 3-0 |
| Challenger Ochsenhausen | 2021/10/15 11:25 | Dauud Cheaib v Andriy Sitak | W | 3-0 |
| Challenger Ochsenhausen | 2021/10/15 09:10 | Dauud Cheaib v Amirreza Abbasi | W | 3-0 |
| Challenger Ochsenhausen | 2021/10/15 06:30 | Dauud Cheaib v Andrei Putuntica | W | 3-2 |
| Challenger Ochsenhausen | 2021/10/14 09:50 | Dauud Cheaib v Andriy Sitak | W | 3-0 |
| Challenger Ochsenhausen | 2021/10/14 07:10 | Evgueni Chtchetinine v Dauud Cheaib | W | 0-3 |
| Challenger Ochsenhausen | 2021/10/13 11:50 | Alexander Valuch v Dauud Cheaib | W | 1-3 |