| 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 | 2021/06/18 11:25 | Dauud Cheaib v Sven Happek | W | 3-1 |
| Challenger Ochsenhausen | 2021/06/16 07:10 | Sven Happek v Dauud Cheaib | W | 0-3 |
| Challenger Ochsenhausen | 2021/03/31 13:10 | Dauud Cheaib v Sven Happek | W | 3-1 |
| Challenger Ochsenhausen | 2021/03/15 08:50 | Sven Happek v Dauud Cheaib | W | 0-3 |
| Challenger Ochsenhausen | 2021/11/10 10:10 | Liang Qiu v Dauud Cheaib | W | 1-3 |
| Challenger Ochsenhausen | 2021/11/10 08:10 | Dauud Cheaib v Simon Berglund | W | 3-2 |
| Challenger Ochsenhausen | 2021/11/05 14:30 | Dauud Cheaib v Amir Hossein Hodaei | L | 1-3 |
| Challenger Ochsenhausen | 2021/11/05 12:25 | Dauud Cheaib v Javier Benito | W | 3-0 |
| Challenger Ochsenhausen | 2021/11/05 10:10 | Amir Hossein Hodaei v Dauud Cheaib | L | 3-1 |
| Challenger Ochsenhausen | 2021/11/05 08:10 | Miguel Chamorro v Dauud Cheaib | W | 0-3 |
| Challenger Ochsenhausen | 2021/11/04 12:50 | Eduardo Gonzales v Dauud Cheaib | W | 0-3 |
| Challenger Ochsenhausen | 2021/11/04 10:10 | Dauud Cheaib v Evgueni Chtchetinine | W | 3-0 |
| Challenger Ochsenhausen | 2021/11/10 12:10 | Florian Bourrassaud v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2021/11/10 07:30 | Liang Qiu v Sven Happek | L | 3-1 |
| Challenger Ochsenhausen | 2021/10/29 10:30 | Sven Happek v Xavier Dixon | W | 3-1 |
| Challenger Ochsenhausen | 2021/10/29 07:50 | Sven Happek v Sourav Saha | W | 3-2 |
| Challenger Ochsenhausen | 2021/10/28 11:50 | Sven Happek v Paul Gauzy | L | 1-3 |
| Challenger Ochsenhausen | 2021/10/28 08:30 | Sven Happek v Alexander Valuch | L | 2-3 |
| Challenger Ochsenhausen | 2021/10/27 11:50 | Sven Happek v Florian Bluhm | L | 1-3 |
| Challenger Ochsenhausen | 2021/10/27 09:10 | Sven Happek v Dauud Cheaib | L | 1-3 |