| Challenger Ochsenhausen | 2020/03/18 08:50 | Dwain Schwarzer v Sven Happek | W | 3-0 |
| Challenger Ochsenhausen | 2020/03/16 12:50 | Dwain Schwarzer v Sven Happek | L | 1-3 |
| Challenger Ochsenhausen | 2020/03/20 10:40 | Dwain Schwarzer v David Steinle | L | 2-3 |
| Challenger Ochsenhausen | 2020/03/20 08:00 | Dwain Schwarzer v Dauud Cheaib | L | 1-3 |
| Challenger Ochsenhausen | 2020/03/19 10:50 | Dwain Schwarzer v Florian Bluhm | W | 3-2 |
| Challenger Ochsenhausen | 2020/03/19 08:10 | Nico Wenger v Dwain Schwarzer | W | 0-3 |
| Challenger Ochsenhausen | 2020/03/18 12:50 | Marius Henninger v Dwain Schwarzer | L | 3-1 |
| Challenger Ochsenhausen | 2020/03/18 10:50 | Dwain Schwarzer v Carlos Ishida | L | 2-3 |
| Challenger Ochsenhausen | 2020/03/18 08:50 | Dwain Schwarzer v Sven Happek | W | 3-0 |
| Challenger Ochsenhausen | 2020/03/17 12:00 | Dwain Schwarzer v Josip Huzjak | W | 3-2 |
| Challenger Ochsenhausen | 2020/07/03 10:30 | Miguel Chamorro v Sven Happek | L | 3-2 |
| Challenger Ochsenhausen | 2020/07/02 12:30 | Sven Happek v Miguel Wong | W | 3-0 |
| Challenger Ochsenhausen | 2020/07/02 11:10 | Mathieu De Saintilan v Sven Happek | W | 1-3 |
| Challenger Ochsenhausen | 2020/07/02 09:10 | Salvador Uribe v Sven Happek | W | 1-3 |
| Challenger Ochsenhausen | 2020/07/01 13:10 | Elia Schmid v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2020/07/01 09:50 | Evgueni Chtchetinine v Sven Happek | L | 3-2 |
| Challenger Ochsenhausen | 2020/07/01 07:10 | Florian Bluhm v Sven Happek | L | 3-1 |
| Challenger Ochsenhausen | 2020/06/24 13:20 | Marius Henninger v Sven Happek | L | 4-0 |