| Challenger Ochsenhausen | 2021/03/10 10:50 | Sven Happek v Josip Huzjak | L | 3-1 |
| Challenger Ochsenhausen | 2021/01/29 08:50 | Sven Happek v Josip Huzjak | W | 1-3 |
| Challenger Ochsenhausen | 2020/04/29 10:30 | Sven Happek v Josip Huzjak | L | 4-0 |
| Challenger Ochsenhausen | 2020/03/17 14:15 | Josip Huzjak v Sven Happek | L | 0-3 |
| Challenger Ochsenhausen | 2020/03/16 10:50 | Sven Happek v Josip Huzjak | W | 2-3 |
| Challenger Ochsenhausen | 2020/02/06 08:50 | Sven Happek v Josip Huzjak | L | 3-0 |
| Challenger Ochsenhausen | 2020/02/04 08:40 | Sven Happek v Josip Huzjak | L | 3-2 |
| Challenger Ochsenhausen | 2020/01/09 12:10 | Josip Huzjak v Sven Happek | W | 3-0 |
| Challenger Ochsenhausen | 2021/03/31 07:50 | Josip Huzjak v Jiri Martinko | L | 0-3 |
| Challenger Ochsenhausen | 2021/03/12 11:30 | Jonathan Thimon v Josip Huzjak | W | 0-3 |
| Challenger Ochsenhausen | 2021/03/11 13:30 | Josip Huzjak v Dillon Chambers | W | 3-0 |
| Challenger Ochsenhausen | 2021/03/11 12:10 | Dimitrije Levajac v Josip Huzjak | L | 3-1 |
| Challenger Ochsenhausen | 2021/03/11 10:10 | Fedor Kuzmin v Josip Huzjak | L | 3-2 |
| Challenger Ochsenhausen | 2021/03/10 14:10 | Evgueni Chtchetinine v Josip Huzjak | L | 3-2 |
| Challenger Ochsenhausen | 2021/03/10 10:50 | Sven Happek v Josip Huzjak | L | 3-1 |
| Challenger Ochsenhausen | 2021/03/10 08:10 | Dauud Cheaib v Josip Huzjak | L | 3-0 |
| Challenger Ochsenhausen | 2021/03/31 07:10 | Liang Qiu v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2021/03/16 10:40 | Sven Happek v Jiri Martinko | L | 1-3 |
| Challenger Ochsenhausen | 2021/03/16 08:00 | Sven Happek v Evgueni Chtchetinine | W | 3-0 |
| Challenger Ochsenhausen | 2021/03/15 19:00 | Sven Happek v Erik Bottroff | L | 1-3 |
| Challenger Ochsenhausen | 2021/03/15 16:20 | Pekka Pelz v Sven Happek | L | 3-1 |
| Challenger Ochsenhausen | 2021/03/15 12:50 | Carlos Muhlbach v Sven Happek | L | 3-1 |
| Challenger Ochsenhausen | 2021/03/15 10:50 | Sven Happek v Peng Gao | W | 3-2 |
| Challenger Ochsenhausen | 2021/03/15 08:50 | Sven Happek v Dauud Cheaib | L | 0-3 |