| TT Star Series | 2023/03/22 08:45 | Sven Happek v Petr David | L | 1-3 |
| Challenger Ochsenhausen | 2020/07/21 11:40 | Petr David v Sven Happek | L | 3-1 |
| Challenger Ochsenhausen | 2020/07/06 18:00 | Petr David v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2019/11/08 07:30 | Petr David v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2019/10/14 06:30 | Petr David v Sven Happek | L | 3-1 |
| Challenger Ochsenhausen | 2019/09/24 09:40 | Sven Happek v Petr David | L | 0-3 |
| Challenger Ochsenhausen | 2019/07/12 09:50 | Petr David v Sven Happek | L | 3-2 |
| Challenger Ochsenhausen | 2019/07/08 17:20 | Sven Happek v Petr David | L | 0-3 |
| Challenger Ochsenhausen | 2019/06/25 11:00 | Petr David v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2019/04/11 10:30 | Sven Happek v Petr David | L | 0-3 |
| Challenger Ochsenhausen | 2018/09/13 06:30 | Petr David v Sven Happek | L | 3-2 |
| Challenger Ochsenhausen | 2018/07/13 09:50 | Petr David v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2018/05/10 11:50 | Petr David v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2018/01/12 10:10 | Sven Happek v Petr David | L | 0-3 |
| Challenger Ochsenhausen | 2017/12/06 08:10 | Sven Happek v Petr David | L | 1-3 |
| Challenger Ochsenhausen | 2017/11/24 12:10 | Petr David v Sven Happek | L | 3-0 |
| Challenger Ochsenhausen | 2017/11/23 12:10 | Petr David v Sven Happek | L | 3-1 |
| Challenger Ochsenhausen | 2017/05/11 08:30 | Sven Happek v Petr David | L | 0-3 |