| 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 | 2021/03/23 15:40 | Dennis Klein v Fedor Kuzmin | W | 3-0 |
| Challenger Ochsenhausen | 2021/03/22 17:00 | Dennis Klein v Fedor Kuzmin | W | 3-2 |
| Challenger Ochsenhausen | 2021/02/09 09:20 | Fedor Kuzmin v Dennis Klein | W | 0-3 |
| Challenger Ochsenhausen | 2021/01/26 08:00 | Dennis Klein v Fedor Kuzmin | L | 1-3 |
| Challenger Ochsenhausen | 2021/06/01 14:00 | Dennis Klein v Fedor Kuzmin | L | 0-3 |
| Challenger Ochsenhausen | 2021/06/01 12:35 | Dennis Klein v Dauud Cheaib | L | 2-3 |
| Challenger Ochsenhausen | 2021/06/01 10:20 | Dennis Klein v Harmeet Desai | W | 3-1 |
| Challenger Ochsenhausen | 2021/06/01 07:00 | Dennis Klein v Ahmed El-Mahdy | W | 3-0 |
| Challenger Ochsenhausen | 2021/05/31 18:00 | Dennis Klein v Dauud Cheaib | W | 3-1 |
| Challenger Ochsenhausen | 2021/05/31 15:20 | Valerij Rakov v Dennis Klein | W | 0-3 |
| Challenger Ochsenhausen | 2021/05/31 11:50 | Josip Huzjak v Dennis Klein | W | 0-3 |
| Challenger Ochsenhausen | 2021/05/31 09:50 | Dennis Klein v Fedor Kuzmin | W | 3-2 |
| Challenger Ochsenhausen | 2021/06/01 14:00 | Dennis Klein v Fedor Kuzmin | W | 0-3 |
| Challenger Ochsenhausen | 2021/06/01 13:15 | Fedor Kuzmin v Harmeet Desai | L | 0-3 |
| Challenger Ochsenhausen | 2021/06/01 11:00 | Josip Huzjak v Fedor Kuzmin | W | 1-3 |
| Challenger Ochsenhausen | 2021/06/01 09:40 | Fedor Kuzmin v Dauud Cheaib | L | 1-3 |
| Challenger Ochsenhausen | 2021/05/31 19:20 | Daniel Rinderer v Fedor Kuzmin | W | 0-3 |
| Challenger Ochsenhausen | 2021/05/31 16:40 | Ahmed El-Mahdy v Fedor Kuzmin | W | 0-3 |
| Challenger Ochsenhausen | 2021/05/31 14:40 | Harmeet Desai v Fedor Kuzmin | W | 1-3 |
| Challenger Ochsenhausen | 2021/05/31 09:50 | Dennis Klein v Fedor Kuzmin | L | 3-2 |