| Challenger Ochsenhausen | 2021/04/01 12:30 | Sven Happek v Peter Hribar | L | 0-3 |
| Challenger Ochsenhausen | 2021/04/01 11:10 | Jiri Martinko v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2021/04/01 09:10 | Dillon Chambers v Sven Happek | L | 3-2 |
| Challenger Ochsenhausen | 2021/03/31 13:10 | Dauud Cheaib v Sven Happek | L | 3-1 |
| Challenger Ochsenhausen | 2021/03/31 09:50 | Josip Huzjak v Sven Happek | W | 2-3 |
| 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 |