| Challenger - Ochsenhausen | 2021/06/01 11:00 | Josip Huzjak v Fedor Kuzmin | W | 1-3 |
| Challenger - Ochsenhausen | 2021/05/11 13:15 | Josip Huzjak v Fedor Kuzmin | W | 0-3 |
| Challenger - Ochsenhausen | 2021/05/10 14:00 | Fedor Kuzmin v Josip Huzjak | L | 0-3 |
| Challenger - Ochsenhausen | 2021/03/31 11:50 | Fedor Kuzmin v Josip Huzjak | W | 3-1 |
| Challenger - Ochsenhausen | 2021/03/11 10:10 | Fedor Kuzmin v Josip Huzjak | W | 3-2 |
| Challenger - Ochsenhausen | 2021/02/08 15:40 | Fedor Kuzmin v Josip Huzjak | W | 3-1 |
| Challenger - Ochsenhausen | 2021/01/19 10:00 | Fedor Kuzmin v Josip Huzjak | W | 3-1 |
| Challenger - Ochsenhausen | 2020/11/30 20:20 | Josip Huzjak v Fedor Kuzmin | W | 0-3 |
| 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 | 2021/07/09 07:10 | Fedor Kuzmin v Dwain Schwarzer | W | 3-1 |
| Challenger - Ochsenhausen | 2021/07/08 10:30 | Fedor Kuzmin v Sven Happek | W | 3-0 |
| Challenger - Ochsenhausen | 2021/07/08 07:10 | Fedor Kuzmin v Jeet Chandra | W | 3-2 |
| Challenger - Ochsenhausen | 2021/07/26 09:50 | Michael Engelhardt v Josip Huzjak | W | 0-3 |
| Challenger - Ochsenhausen | 2021/07/26 07:10 | Dauud Cheaib v Josip Huzjak | L | 3-0 |
| Challenger - Ochsenhausen | 2021/07/16 07:50 | Josip Huzjak v Evgueni Chtchetinine | L | 0-3 |
| Challenger - Ochsenhausen | 2021/07/15 09:10 | Josip Huzjak v Dennis Klein | L | 0-3 |
| Challenger - Ochsenhausen | 2021/07/15 07:10 | Dauud Cheaib v Josip Huzjak | L | 3-0 |
| Challenger - Ochsenhausen | 2021/07/14 11:50 | Sven Happek v Josip Huzjak | L | 3-1 |
| Challenger - Ochsenhausen | 2021/07/14 09:50 | Josip Huzjak v Andrei Putuntica | L | 1-3 |
| Challenger - Ochsenhausen | 2021/07/14 07:50 | Josip Huzjak v Alexander Valuch | L | 2-3 |