| 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 | 2021/07/16 11:40 | Sven Happek v Evgueni Chtchetinine | L | 1-3 |
| Challenger Ochsenhausen | 2021/07/16 10:05 | Andrei Putuntica v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2021/07/16 09:10 | Sven Happek v Andrei Putuntica | L | 0-3 |
| Challenger Ochsenhausen | 2021/07/16 07:10 | Sven Happek v Alexander Valuch | L | 1-3 |
| Challenger Ochsenhausen | 2021/07/15 10:30 | Sven Happek v Evgueni Chtchetinine | L | 2-3 |
| Challenger Ochsenhausen | 2021/07/14 11:50 | Sven Happek v Josip Huzjak | W | 3-1 |
| Challenger Ochsenhausen | 2021/07/14 09:10 | Sven Happek v Dauud Cheaib | L | 2-3 |
| Challenger Ochsenhausen | 2021/07/14 06:30 | Sven Happek v Dennis Klein | W | 3-2 |
| Challenger Ochsenhausen | 2021/08/31 14:40 | Dennis Klein v Andrei Putuntica | W | 3-2 |
| Challenger Ochsenhausen | 2021/08/31 12:35 | Dennis Klein v Amirreza Abbasi | W | 3-2 |
| Challenger Ochsenhausen | 2021/08/31 11:00 | Dennis Klein v Amirreza Abbasi | W | 3-0 |
| Challenger Ochsenhausen | 2021/08/31 07:40 | Dennis Klein v Eduardo Gonzales | W | 3-0 |
| Challenger Ochsenhausen | 2021/08/30 18:40 | Dennis Klein v Dauud Cheaib | W | 3-0 |
| Challenger Ochsenhausen | 2021/08/30 17:20 | Dennis Klein v Enio Mendes | W | 3-2 |
| Challenger Ochsenhausen | 2021/08/30 11:50 | Dennis Klein v Andrei Putuntica | W | 3-0 |
| Challenger Ochsenhausen | 2021/08/30 09:10 | Dennis Klein v Lukas Bosbach | W | 3-0 |