| Challenger Ochsenhausen | 2021/11/15 09:30 | Dauud Cheaib v Dennis Klein | W | 3-1 |
| Challenger Ochsenhausen | 2021/08/30 18:40 | Dennis Klein v Dauud Cheaib | L | 3-0 |
| Challenger Ochsenhausen | 2021/08/10 14:40 | Dennis Klein v Dauud Cheaib | L | 3-2 |
| Challenger Ochsenhausen | 2021/08/09 07:10 | Dennis Klein v Dauud Cheaib | L | 3-2 |
| Challenger Ochsenhausen | 2021/07/30 11:25 | Dennis Klein v Dauud Cheaib | L | 3-1 |
| Challenger Ochsenhausen | 2021/07/28 09:50 | Dennis Klein v Dauud Cheaib | L | 3-1 |
| Challenger Ochsenhausen | 2021/07/27 13:15 | Dennis Klein v Dauud Cheaib | L | 3-2 |
| Challenger Ochsenhausen | 2021/07/26 12:30 | Dauud Cheaib v Dennis Klein | L | 1-3 |
| Challenger Ochsenhausen | 2021/11/16 11:20 | Andrei Putuntica v Dauud Cheaib | L | 3-1 |
| Challenger Ochsenhausen | 2021/11/16 09:20 | Dauud Cheaib v Miguel Chamorro | W | 3-0 |
| Challenger Ochsenhausen | 2021/11/15 21:00 | Adam Klajber v Dauud Cheaib | W | 0-3 |
| Challenger Ochsenhausen | 2021/11/15 18:20 | Guilherme Teodoro v Dauud Cheaib | W | 2-3 |
| Challenger Ochsenhausen | 2021/11/15 15:40 | Dauud Cheaib v Evgueni Chtchetinine | W | 3-0 |
| Challenger Ochsenhausen | 2021/11/15 11:30 | Dauud Cheaib v Sudhanshu Grover | W | 3-0 |
| Challenger Ochsenhausen | 2021/11/15 09:30 | Dauud Cheaib v Dennis Klein | W | 3-1 |
| Challenger Ochsenhausen | 2021/11/12 13:10 | Dauud Cheaib v Simon Berglund | L | 1-3 |
| 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 | 2021/11/15 19:40 | Guilherme Teodoro v Dennis Klein | W | 1-3 |
| Challenger Ochsenhausen | 2021/11/15 17:40 | Dennis Klein v Evgueni Chtchetinine | L | 2-3 |
| Challenger Ochsenhausen | 2021/11/15 15:00 | Dennis Klein v Sudhanshu Grover | W | 3-1 |
| Challenger Ochsenhausen | 2021/11/15 12:10 | Dennis Klein v Miguel Chamorro | W | 3-0 |
| Challenger Ochsenhausen | 2021/11/15 09:30 | Dauud Cheaib v Dennis Klein | L | 3-1 |
| Challenger Ochsenhausen | 2021/11/02 13:10 | Dennis Klein v Simon Berglund | W | 3-2 |