| Challenger Series TT | 2024/06/06 15:00 | Sven Happek v Szilard Kanabe | W | 3-0 |
| Challenger Series TT | 2024/06/06 13:30 | Sven Happek v Jon Ander Guerricabeitia | W | 3-0 |
| Challenger Series TT | 2024/06/06 12:00 | Sven Happek v Siddharta Almeida | W | 3-2 |
| Challenger Series TT | 2024/06/06 10:30 | Sven Happek v Damian Zech | W | 3-1 |
| Challenger Series TT | 2024/06/06 07:30 | Oleksii Dehtiarov v Sven Happek | W | 1-3 |
| Challenger Series TT | 2024/06/06 07:00 | Tom Duffke v Sven Happek | W | 0-3 |
| Challenger Series TT | 2024/05/14 19:30 | Mykhailo Mosiuk v Sven Happek | W | 0-3 |
| Challenger Series TT | 2024/05/14 19:00 | Sven Happek v Damian Zech | L | 2-3 |
| Korea Open | 2019/07/02 05:20 | Takuya Jin v Minsu Kim | L | 4-0 |