| Challenger Ochsenhausen | 2018/06/22 09:50 | Andriy Sitak v Sven Happek | W | 0-3 |
| Challenger Ochsenhausen | 2018/03/13 09:20 | Andriy Sitak v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2019/05/15 07:50 | Sven Happek v Florian Bluhm | L | 1-3 |
| Challenger Ochsenhausen | 2019/04/12 09:50 | Sven Happek v Sushmit Sriram | L | 0-3 |
| Challenger Ochsenhausen | 2019/04/12 07:10 | Sven Happek v Tomasz Tomaszuk | L | 1-3 |
| Challenger Ochsenhausen | 2019/04/11 10:30 | Sven Happek v Petr David | L | 0-3 |
| Challenger Ochsenhausen | 2019/04/11 07:10 | Sven Happek v Emilio Garcia | W | 3-0 |
| Challenger Ochsenhausen | 2019/04/10 12:30 | Sven Happek v Anders Eriksson | L | 0-3 |
| Challenger Ochsenhausen | 2019/04/10 09:10 | Simon Arvidsson v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2019/04/10 07:10 | Sven Happek v Dauud Cheaib | L | 1-3 |
| Challenger Ochsenhausen | 2019/05/15 07:10 | Miroslav Horejsi v Andriy Sitak | L | 3-2 |
| Challenger Ochsenhausen | 2019/05/14 09:00 | Petr David v Andriy Sitak | L | 3-2 |
| Challenger Ochsenhausen | 2019/05/14 07:00 | Liang Qiu v Andriy Sitak | L | 3-0 |
| Challenger Ochsenhausen | 2019/05/13 18:40 | Mateusz Golebiowski v Andriy Sitak | W | 0-3 |
| Challenger Ochsenhausen | 2019/05/13 16:40 | Andriy Sitak v Jiri Vrablik | L | 0-3 |
| Challenger Ochsenhausen | 2019/05/13 14:00 | Andriy Sitak v Daniel Kleinert | W | 3-0 |
| Challenger Ochsenhausen | 2019/05/13 11:10 | Andriy Sitak v Robert Floras | L | 1-3 |
| Challenger Ochsenhausen | 2019/05/13 08:30 | Yannick Vostes v Andriy Sitak | L | 3-0 |