| Challenger Ochsenhausen | 2019/03/15 09:30 | Sven Happek v Pawel Grela | W | 3-1 |
| Challenger Ochsenhausen | 2018/11/22 08:10 | Pawel Grela v Sven Happek | W | 0-3 |
| Challenger Ochsenhausen | 2019/07/01 09:10 | Tomasz Tomaszuk v Sven Happek | W | 1-3 |
| Challenger Ochsenhausen | 2019/07/01 07:10 | Sven Happek v Mathieu De Saintilan | L | 1-3 |
| Challenger Ochsenhausen | 2019/06/25 11:00 | Petr David v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2019/06/25 07:40 | Robert Floras v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2019/06/24 19:20 | Sven Happek v Tomas Konecny | L | 0-3 |
| Challenger Ochsenhausen | 2019/06/24 16:00 | Sven Happek v Mateusz Golebiowski | L | 0-3 |
| Challenger Ochsenhausen | 2019/06/24 14:00 | Carlos Muhlbach v Sven Happek | L | 3-2 |
| Challenger Ochsenhausen | 2019/06/24 10:30 | Elias Ranefur v Sven Happek | L | 3-2 |
| Challenger Ochsenhausen | 2019/07/01 11:10 | Andrei Putuntica v Pawel Grela | L | 3-1 |
| Challenger Ochsenhausen | 2019/07/01 06:30 | Tomasz Tomaszuk v Pawel Grela | L | 3-2 |
| Challenger Ochsenhausen | 2019/05/10 08:30 | Evgueni Chtchetinine v Pawel Grela | L | 3-1 |
| Challenger Ochsenhausen | 2019/05/09 12:30 | Petr David v Pawel Grela | L | 3-0 |
| Challenger Ochsenhausen | 2019/05/09 09:50 | Eduardo Gonzales v Pawel Grela | L | 3-1 |
| Challenger Ochsenhausen | 2019/05/09 07:50 | Jose Pedro Francisco v Pawel Grela | L | 3-1 |
| Challenger Ochsenhausen | 2019/05/08 12:30 | Antonin Gavlas v Pawel Grela | L | 3-1 |
| Challenger Ochsenhausen | 2019/05/08 11:10 | Florian Bluhm v Pawel Grela | L | 3-0 |