| Challenger Ochsenhausen | 2021/03/02 12:00 | Stanislav Kucera v Henning Zeptner | L | 3-0 |
| Challenger Ochsenhausen | 2021/03/02 10:40 | Henning Zeptner v Jiri Martinko | L | 0-3 |
| Challenger Ochsenhausen | 2021/03/01 20:20 | Josip Huzjak v Henning Zeptner | L | 3-1 |
| Challenger Ochsenhausen | 2021/03/01 17:40 | Evgueni Chtchetinine v Henning Zeptner | L | 3-0 |
| Challenger Ochsenhausen | 2021/03/01 15:40 | Carlos Muhlbach v Henning Zeptner | L | 3-1 |
| Challenger Ochsenhausen | 2021/03/01 10:50 | Dauud Cheaib v Henning Zeptner | L | 3-0 |
| Challenger Ochsenhausen | 2021/03/01 08:10 | Liang Qiu v Henning Zeptner | L | 3-1 |
| Challenger Ochsenhausen | 2021/01/15 10:50 | Henning Zeptner v Dauud Cheaib | L | 0-3 |
| Challenger Ochsenhausen | 2021/04/08 12:30 | Dennis Klein v Dillon Chambers | W | 3-1 |
| Challenger Ochsenhausen | 2021/04/08 11:10 | Dimitrije Levajac v Dennis Klein | W | 2-3 |
| Challenger Ochsenhausen | 2021/04/08 09:10 | Evgueni Chtchetinine v Dennis Klein | L | 3-1 |
| Challenger Ochsenhausen | 2021/04/07 13:10 | Jiri Martinko v Dennis Klein | W | 2-3 |
| Challenger Ochsenhausen | 2021/04/07 09:50 | Carlos Muhlbach v Dennis Klein | W | 1-3 |
| Challenger Ochsenhausen | 2021/04/07 07:10 | Dauud Cheaib v Dennis Klein | L | 3-2 |
| Challenger Ochsenhausen | 2021/03/23 15:40 | Dennis Klein v Fedor Kuzmin | W | 3-0 |
| Challenger Ochsenhausen | 2021/03/23 13:35 | Dennis Klein v Florian Bluhm | W | 3-2 |