| Challenger Ochsenhausen | 2019/10/23 12:30 | Sven Happek v Miroslav Horejsi | W | 0-3 |
| Challenger Ochsenhausen | 2019/07/15 14:40 | Miroslav Horejsi v Sven Happek | W | 3-1 |
| Challenger Ochsenhausen | 2019/07/12 11:25 | Miroslav Horejsi v Sven Happek | W | 3-0 |
| Challenger Ochsenhausen | 2019/07/11 07:50 | Sven Happek v Miroslav Horejsi | W | 1-3 |
| Challenger Ochsenhausen | 2019/05/16 07:10 | Miroslav Horejsi v Sven Happek | W | 3-1 |
| Challenger Ochsenhausen | 2019/04/08 16:00 | Sven Happek v Miroslav Horejsi | W | 0-3 |
| Challenger Ochsenhausen | 2019/02/08 11:05 | Miroslav Horejsi v Sven Happek | W | 3-0 |
| Challenger Ochsenhausen | 2019/02/08 08:50 | Sven Happek v Miroslav Horejsi | W | 0-3 |
| Challenger Ochsenhausen | 2020/07/06 14:00 | Elia Schmid v Miroslav Horejsi | W | 0-3 |
| Challenger Ochsenhausen | 2020/07/06 10:30 | Dauud Cheaib v Miroslav Horejsi | W | 1-3 |
| Challenger Ochsenhausen | 2020/07/06 07:50 | Petr David v Miroslav Horejsi | W | 1-3 |
| Czech TT Star Series | 2020/07/03 11:45 | Jakub Seibert v Miroslav Horejsi | W | 1-3 |
| Czech TT Star Series | 2020/07/03 10:35 | Jakub Seibert v Miroslav Horejsi | W | 1-3 |
| Czech TT Star Series | 2020/07/03 08:55 | Miroslav Horejsi v Antonin Gavlas | L | 2-3 |
| Czech TT Star Series | 2020/07/03 06:50 | Filip Zeljko v Miroslav Horejsi | L | 3-0 |
| Czech TT Star Series | 2020/07/02 13:45 | Frane Kojic v Miroslav Horejsi | L | 3-1 |
| Challenger Ochsenhausen | 2020/07/06 12:30 | Mathieu De Saintilan v Sven Happek | L | 3-2 |
| Challenger Ochsenhausen | 2020/07/06 11:10 | Elia Schmid v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2020/07/06 06:30 | Dwain Schwarzer v Sven Happek | W | 1-3 |
| 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 |