| Challenger Ochsenhausen | 2021/07/14 06:30 | Sven Happek v Dennis Klein | W | 3-2 |
| Challenger Ochsenhausen | 2021/02/24 12:50 | Sven Happek v Dennis Klein | L | 0-3 |
| Challenger Ochsenhausen | 2021/01/29 10:50 | Sven Happek v Dennis Klein | L | 0-3 |
| Challenger Ochsenhausen | 2021/12/01 10:10 | Sven Happek v Liang Qiu | L | 0-3 |
| Challenger Ochsenhausen | 2021/12/01 07:30 | Sven Happek v Dauud Cheaib | L | 0-3 |
| Challenger Ochsenhausen | 2021/11/12 08:50 | Alexander Valuch v Sven Happek | L | 3-2 |
| Challenger Ochsenhausen | 2021/11/11 12:10 | Simon Berglund v Sven Happek | L | 3-1 |
| Challenger Ochsenhausen | 2021/11/11 10:10 | John Oyebode v Sven Happek | W | 2-3 |
| Challenger Ochsenhausen | 2021/11/11 08:50 | Evgueni Chtchetinine v Sven Happek | W | 2-3 |
| Challenger Ochsenhausen | 2021/11/10 13:30 | Dauud Cheaib v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2021/11/10 12:10 | Florian Bourrassaud v Sven Happek | L | 3-0 |
| 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 | 2021/11/15 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 |