| 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 | 2021/02/24 07:30 | Sven Happek v Dauud Cheaib | L | 0-3 |
| Challenger Ochsenhausen | 2021/02/10 12:50 | Sven Happek v Dauud Cheaib | L | 0-3 |
| Challenger Ochsenhausen | 2021/01/27 08:50 | Sven Happek v Dauud Cheaib | L | 0-3 |
| Challenger Ochsenhausen | 2020/11/19 08:10 | Sven Happek v Dauud Cheaib | L | 0-3 |
| Challenger Ochsenhausen | 2020/10/21 06:30 | Sven Happek v Dauud Cheaib | L | 0-3 |
| Challenger Ochsenhausen | 2021/04/01 12:30 | Sven Happek v Peter Hribar | L | 0-3 |
| Challenger Ochsenhausen | 2021/04/01 11:10 | Jiri Martinko v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2021/04/01 09:10 | Dillon Chambers v Sven Happek | L | 3-2 |
| Challenger Ochsenhausen | 2021/03/31 13:10 | Dauud Cheaib v Sven Happek | L | 3-1 |
| Challenger Ochsenhausen | 2021/03/31 09:50 | Josip Huzjak v Sven Happek | W | 2-3 |
| Challenger Ochsenhausen | 2021/03/31 07:10 | Liang Qiu v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2021/03/16 10:40 | Sven Happek v Jiri Martinko | L | 1-3 |
| Challenger Ochsenhausen | 2021/03/16 08:00 | Sven Happek v Evgueni Chtchetinine | W | 3-0 |
| Challenger Ochsenhausen | 2021/06/15 14:40 | Dauud Cheaib v Andrey Semenov | W | 3-0 |
| Challenger Ochsenhausen | 2021/06/15 12:35 | Dauud Cheaib v Dillon Chambers | W | 3-0 |
| Challenger Ochsenhausen | 2021/06/15 10:20 | Michael Engelhardt v Dauud Cheaib | W | 0-3 |
| Challenger Ochsenhausen | 2021/06/15 08:20 | Dauud Cheaib v Florian Bluhm | W | 3-2 |
| Challenger Ochsenhausen | 2021/06/14 20:00 | Samuel Amann v Dauud Cheaib | W | 0-3 |
| Challenger Ochsenhausen | 2021/06/14 17:20 | Marius Henninger v Dauud Cheaib | W | 0-3 |
| Challenger Ochsenhausen | 2021/06/14 14:40 | Dauud Cheaib v Dillon Chambers | W | 3-1 |
| Challenger Ochsenhausen | 2021/06/14 10:30 | Dauud Cheaib v Andrey Semenov | L | 2-3 |