| Challenger Ochsenhausen | 2021/03/23 12:40 | Evgueni Chtchetinine v Dennis Klein | L | 1-3 |
| Challenger Ochsenhausen | 2021/02/23 10:00 | Dennis Klein v Evgueni Chtchetinine | W | 1-3 |
| Challenger Ochsenhausen | 2021/01/26 11:20 | Dennis Klein v Evgueni Chtchetinine | W | 1-3 |
| Challenger Ochsenhausen | 2021/04/08 06:30 | Evgueni Chtchetinine v Dimitrije Levajac | L | 2-3 |
| Challenger Ochsenhausen | 2021/04/07 11:10 | Evgueni Chtchetinine v Dillon Chambers | W | 3-0 |
| Challenger Ochsenhausen | 2021/04/07 08:30 | Jiri Martinko v Evgueni Chtchetinine | L | 3-0 |
| Challenger Ochsenhausen | 2021/03/23 15:00 | Florian Bluhm v Evgueni Chtchetinine | W | 0-3 |
| Challenger Ochsenhausen | 2021/03/23 14:15 | Evgueni Chtchetinine v Fedor Kuzmin | L | 2-3 |
| Challenger Ochsenhausen | 2021/03/23 12:40 | Evgueni Chtchetinine v Dennis Klein | L | 1-3 |
| Challenger Ochsenhausen | 2021/03/23 10:00 | Evgueni Chtchetinine v Miguel Chamorro | L | 2-3 |
| Challenger Ochsenhausen | 2021/03/22 21:00 | Evgueni Chtchetinine v Francisco Sanchi | W | 3-0 |
| 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 |
| Challenger Ochsenhausen | 2021/03/23 12:40 | Evgueni Chtchetinine v Dennis Klein | W | 1-3 |
| Challenger Ochsenhausen | 2021/03/23 08:40 | Andrey Semenov v Dennis Klein | W | 1-3 |
| Challenger Ochsenhausen | 2021/03/22 20:20 | Dennis Klein v Florian Bluhm | W | 3-2 |