| Challenger Series TT | 2023/01/24 07:30 | Sven Happek v Enio Mendes | W | 0-3 |
| Challenger Ochsenhausen | 2018/11/28 12:10 | Enio Mendes v Sven Happek | W | 3-0 |
| Challenger Ochsenhausen | 2017/10/18 10:30 | Sven Happek v Enio Mendes | W | 0-3 |
| Challenger Ochsenhausen | 2017/07/13 10:30 | Sven Happek v Enio Mendes | W | 1-3 |