| Challenger - Ochsenhausen | 2021/11/16 14:15 | Dauud Cheaib v Dennis Klein | L | 3-0 |
| Challenger - Ochsenhausen | 2021/11/15 09:30 | Dauud Cheaib v Dennis Klein | L | 3-1 |
| Challenger - Ochsenhausen | 2021/08/30 18:40 | Dennis Klein v Dauud Cheaib | W | 3-0 |
| Challenger - Ochsenhausen | 2021/08/10 14:40 | Dennis Klein v Dauud Cheaib | W | 3-2 |
| Challenger - Ochsenhausen | 2021/08/09 07:10 | Dennis Klein v Dauud Cheaib | W | 3-2 |
| Challenger - Ochsenhausen | 2021/07/30 11:25 | Dennis Klein v Dauud Cheaib | W | 3-1 |
| Challenger - Ochsenhausen | 2021/07/28 09:50 | Dennis Klein v Dauud Cheaib | W | 3-1 |
| Challenger - Ochsenhausen | 2021/07/27 13:15 | Dennis Klein v Dauud Cheaib | W | 3-2 |
| Challenger - Ochsenhausen | 2021/12/02 08:10 | Liang Qiu v Dennis Klein | W | 2-3 |
| Challenger - Ochsenhausen | 2021/12/01 12:50 | Sven Happek v Dennis Klein | W | 0-3 |
| Challenger - Ochsenhausen | 2021/12/01 10:50 | Dennis Klein v Alexander Valuch | W | 3-1 |
| Challenger - Ochsenhausen | 2021/12/01 08:50 | Dennis Klein v Josip Huzjak | W | 3-0 |
| Challenger - Ochsenhausen | 2021/11/16 15:00 | Evgueni Chtchetinine v Dennis Klein | W | 1-3 |
| Challenger - Ochsenhausen | 2021/11/16 14:15 | Dauud Cheaib v Dennis Klein | L | 3-0 |
| Challenger - Ochsenhausen | 2021/11/16 10:00 | Adam Klajber v Dennis Klein | W | 0-3 |
| Challenger - Ochsenhausen | 2021/11/16 08:00 | Andrei Putuntica v Dennis Klein | L | 3-0 |
| Challenger - Ochsenhausen | 2021/12/02 08:50 | Josip Huzjak v Dauud Cheaib | W | 0-3 |
| Challenger - Ochsenhausen | 2021/12/01 13:30 | Liang Qiu v Dauud Cheaib | W | 0-3 |
| Challenger - Ochsenhausen | 2021/12/01 12:10 | Miguel Chamorro v Dauud Cheaib | W | 1-3 |
| Challenger - Ochsenhausen | 2021/12/01 07:30 | Sven Happek v Dauud Cheaib | W | 0-3 |
| Challenger - Ochsenhausen | 2021/11/30 15:00 | Taehyun Kim v Dauud Cheaib | W | 1-3 |
| Challenger - Ochsenhausen | 2021/11/30 14:15 | Dauud Cheaib v Andrei Putuntica | L | 1-3 |
| Challenger - Ochsenhausen | 2021/11/30 11:20 | Dauud Cheaib v Evgueni Chtchetinine | W | 3-0 |
| Challenger - Ochsenhausen | 2021/11/30 08:00 | Dauud Cheaib v Andrei Putuntica | W | 3-1 |