Round: 1
| Challenger Ochsenhausen | 2021/01/14 09:30 | Henning Zeptner v Evgueni Chtchetinine | W | 1-3 |
| Challenger Ochsenhausen | 2021/03/01 15:00 | Evgueni Chtchetinine v Josip Huzjak | W | 3-0 |
| Challenger Ochsenhausen | 2021/03/01 12:10 | Evgueni Chtchetinine v Jiri Martinko | L | 0-3 |
| Challenger Ochsenhausen | 2021/03/01 09:30 | Carlos Muhlbach v Evgueni Chtchetinine | L | 3-2 |
| Challenger Ochsenhausen | 2021/02/23 15:00 | Evgueni Chtchetinine v Dauud Cheaib | L | 2-3 |
| Challenger Ochsenhausen | 2021/02/23 13:35 | Jiri Martinko v Evgueni Chtchetinine | L | 3-0 |
| Challenger Ochsenhausen | 2021/02/23 10:00 | Dennis Klein v Evgueni Chtchetinine | W | 1-3 |
| Challenger Ochsenhausen | 2021/02/23 08:00 | Dauud Cheaib v Evgueni Chtchetinine | L | 3-0 |
| Challenger Ochsenhausen | 2021/02/22 19:40 | Felix Wetzel v Evgueni Chtchetinine | W | 0-3 |
| 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 | 2021/01/15 08:50 | Henning Zeptner v Josip Huzjak | L | 0-3 |
| Challenger Ochsenhausen | 2021/01/14 12:50 | Henning Zeptner v Dillon Chambers | L | 2-3 |
| Challenger Ochsenhausen | 2021/01/14 09:30 | Henning Zeptner v Evgueni Chtchetinine | L | 1-3 |
| Challenger Ochsenhausen | 2021/01/13 12:50 | Henning Zeptner v Liang Qiu | L | 0-3 |