| Challenger - Ochsenhausen | 2021/07/30 06:30 | Dennis Klein v Fedor Kuzmin | W | 3-0 |
| Challenger - Ochsenhausen | 2021/07/27 14:40 | Fedor Kuzmin v Dennis Klein | L | 3-2 |
| Challenger - Ochsenhausen | 2021/07/27 08:20 | Fedor Kuzmin v Dennis Klein | W | 2-3 |
| Challenger - Ochsenhausen | 2021/06/02 07:10 | Dennis Klein v Fedor Kuzmin | W | 3-0 |
| Challenger - Ochsenhausen | 2021/06/01 14:00 | Dennis Klein v Fedor Kuzmin | L | 0-3 |
| Challenger - Ochsenhausen | 2021/05/31 09:50 | Dennis Klein v Fedor Kuzmin | W | 3-2 |
| Challenger - Ochsenhausen | 2021/05/11 14:40 | Dennis Klein v Fedor Kuzmin | L | 0-3 |
| Challenger - Ochsenhausen | 2021/05/10 18:40 | Dennis Klein v Fedor Kuzmin | L | 1-3 |
| Challenger - Ochsenhausen | 2021/08/09 20:00 | Dennis Klein v Andrey Semenov | W | 3-0 |
| Challenger - Ochsenhausen | 2021/08/09 15:20 | Dennis Klein v Michael Servaty | W | 3-0 |
| Challenger - Ochsenhausen | 2021/08/09 12:30 | Dennis Klein v Florian Bluhm | W | 3-0 |
| Challenger - Ochsenhausen | 2021/08/09 09:10 | Daniel Rinderer v Dennis Klein | W | 0-3 |
| Challenger - Ochsenhausen | 2021/08/09 07:10 | Dennis Klein v Dauud Cheaib | W | 3-2 |
| Challenger - Ochsenhausen | 2021/07/30 13:30 | Dennis Klein v Jiri Martinko | L | 1-3 |
| Challenger - Ochsenhausen | 2021/07/30 11:25 | Dennis Klein v Dauud Cheaib | W | 3-1 |
| Challenger - Ochsenhausen | 2021/07/30 09:10 | Dennis Klein v Evgueni Chtchetinine | W | 3-1 |
| Challenger - Ochsenhausen | 2021/08/10 07:00 | Michael Servaty v Fedor Kuzmin | L | 3-0 |
| Challenger - Ochsenhausen | 2021/08/09 18:40 | Daniel Rinderer v Fedor Kuzmin | W | 1-3 |
| Challenger - Ochsenhausen | 2021/08/09 16:40 | Fedor Kuzmin v Dauud Cheaib | L | 0-3 |
| Challenger - Ochsenhausen | 2021/08/09 14:00 | Fedor Kuzmin v Dillon Chambers | W | 3-2 |
| Challenger - Ochsenhausen | 2021/08/09 11:10 | Fedor Kuzmin v Florian Bluhm | W | 3-1 |
| Challenger - Ochsenhausen | 2021/08/09 08:30 | Andrey Semenov v Fedor Kuzmin | W | 1-3 |
| Challenger - Ochsenhausen | 2021/07/30 12:50 | Dauud Cheaib v Fedor Kuzmin | W | 1-3 |
| Challenger - Ochsenhausen | 2021/07/30 12:05 | Jiri Martinko v Fedor Kuzmin | L | 3-0 |