| Challenger Ochsenhausen | 2021/01/29 08:10 | Dennis Klein v Dillon Chambers | W | 3-2 |
| 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 |
| Challenger Ochsenhausen | 2021/03/23 12:40 | Evgueni Chtchetinine v Dennis Klein | W | 1-3 |
| Challenger Ochsenhausen | 2021/04/08 09:50 | Carlos Muhlbach v Dillon Chambers | L | 3-0 |
| Challenger Ochsenhausen | 2021/04/08 07:50 | Dimitrije Levajac v Dillon Chambers | L | 3-2 |
| Challenger Ochsenhausen | 2021/04/07 12:30 | Dauud Cheaib v Dillon Chambers | L | 3-1 |
| Challenger Ochsenhausen | 2021/04/07 11:10 | Evgueni Chtchetinine v Dillon Chambers | L | 3-0 |
| Challenger Ochsenhausen | 2021/04/07 06:30 | Miguel Chamorro v Dillon Chambers | W | 1-3 |
| Challenger Ochsenhausen | 2021/04/02 09:10 | Josip Huzjak v Dillon Chambers | W | 1-3 |
| Challenger Ochsenhausen | 2021/04/02 07:10 | Liang Qiu v Dillon Chambers | L | 3-0 |
| Challenger Ochsenhausen | 2021/04/01 11:50 | Fedor Kuzmin v Dillon Chambers | L | 3-2 |