| Challenger Ochsenhausen | 2021/06/02 07:10 | Dennis Klein v Fedor Kuzmin | L | 3-0 |
| Challenger Ochsenhausen | 2021/06/01 14:00 | Dennis Klein v Fedor Kuzmin | W | 0-3 |
| Challenger Ochsenhausen | 2021/05/31 09:50 | Dennis Klein v Fedor Kuzmin | L | 3-2 |
| Challenger Ochsenhausen | 2021/05/11 14:40 | Dennis Klein v Fedor Kuzmin | W | 0-3 |
| Challenger Ochsenhausen | 2021/05/10 18:40 | Dennis Klein v Fedor Kuzmin | W | 1-3 |
| Challenger Ochsenhausen | 2021/03/23 15:40 | Dennis Klein v Fedor Kuzmin | L | 3-0 |
| Challenger Ochsenhausen | 2021/03/22 17:00 | Dennis Klein v Fedor Kuzmin | L | 3-2 |
| Challenger Ochsenhausen | 2021/02/09 09:20 | Fedor Kuzmin v Dennis Klein | L | 0-3 |
| Challenger Ochsenhausen | 2021/07/26 20:00 | Dauud Cheaib v Fedor Kuzmin | L | 3-1 |
| Challenger Ochsenhausen | 2021/07/26 17:20 | Florian Bluhm v Fedor Kuzmin | W | 1-3 |
| Challenger Ochsenhausen | 2021/07/26 14:40 | Fedor Kuzmin v Josip Huzjak | W | 3-0 |
| Challenger Ochsenhausen | 2021/07/26 10:30 | Fedor Kuzmin v Nico Wenger | W | 3-0 |
| Challenger Ochsenhausen | 2021/07/26 08:30 | Fedor Kuzmin v Jiri Martinko | L | 1-3 |
| Challenger Ochsenhausen | 2021/07/09 12:50 | Fedor Kuzmin v Jeet Chandra | L | 0-3 |
| Challenger Ochsenhausen | 2021/07/09 11:25 | Fedor Kuzmin v Evgueni Chtchetinine | L | 1-3 |
| Challenger Ochsenhausen | 2021/07/09 09:50 | Fedor Kuzmin v Snehit Suravajjula | W | 3-1 |
| Challenger Ochsenhausen | 2021/07/26 18:00 | Michael Engelhardt v Dennis Klein | W | 0-3 |
| Challenger Ochsenhausen | 2021/07/26 16:00 | Nico Wenger v Dennis Klein | W | 0-3 |
| Challenger Ochsenhausen | 2021/07/26 12:30 | Dauud Cheaib v Dennis Klein | W | 1-3 |
| Challenger Ochsenhausen | 2021/07/26 11:10 | Jiri Martinko v Dennis Klein | L | 3-0 |
| Challenger Ochsenhausen | 2021/07/26 06:30 | Florian Bluhm v Dennis Klein | W | 0-3 |
| Challenger Ochsenhausen | 2021/07/15 11:10 | Andrei Putuntica v Dennis Klein | L | 3-0 |
| Challenger Ochsenhausen | 2021/07/15 09:10 | Josip Huzjak v Dennis Klein | W | 0-3 |
| Challenger Ochsenhausen | 2021/07/15 07:50 | Alexander Valuch v Dennis Klein | W | 2-3 |