| 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 Series TT | 2024/07/02 10:35 | Sven Happek v Mykhailo Mosiuk | L | 0-3 |
| Challenger Series TT | 2024/07/02 08:45 | Sven Happek v Johannes Willeke | W | 3-2 |
| Challenger Series TT | 2024/07/02 07:30 | Sven Happek v Mykhailo Mosiuk | W | 3-2 |
| Challenger Series TT | 2024/07/01 16:30 | Sven Happek v Armin Alicic | W | 3-0 |
| Challenger Series TT | 2024/07/01 14:30 | Sven Happek v Minsu Kim | W | 3-2 |
| Challenger Series TT | 2024/07/01 12:30 | Johannes Willeke v Sven Happek | W | 1-3 |
| Challenger Series TT | 2024/07/01 10:30 | Woobeen Jeong v Sven Happek | W | 0-3 |
| Challenger Series TT | 2024/07/01 09:00 | Sven Happek v Matthias Danzer | L | 1-3 |
| TT Star Series | 2024/10/12 11:23 | Petr David v Dmitrij Prokopcov | W | 3-2 |
| TT Star Series | 2024/10/12 09:31 | Petr David v Sota Noda | L | 1-3 |
| TT Star Series | 2024/10/12 08:09 | Tomas Konecny v Petr David | L | 3-1 |
| TT Star Series | 2024/10/12 06:00 | Vladimir Pandurevic v Petr David | W | 0-3 |
| TT Star Series | 2024/10/11 11:12 | Ronit Bhanja v Petr David | W | 1-3 |
| TT Star Series | 2024/10/11 10:04 | Petr David v Joon Shim | W | 3-0 |
| TT Star Series | 2024/10/11 08:44 | Petr David v Dmitrij Prokopcov | L | 1-3 |
| TT Star Series | 2024/10/11 07:30 | Petr David v Leo Vekic | L | 1-3 |