Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2024/02/05 15:30 | Sven Happek v Makoto Nogami | W | 3-2 |
| Challenger Series TT | 2023/06/26 07:10 | Makoto Nogami v Sven Happek | L | 3-1 |
| Challenger Series TT | 2023/04/17 17:10 | Sven Happek v Makoto Nogami | L | 1-3 |
| Challenger Series TT | 2023/03/13 18:10 | Sven Happek v Makoto Nogami | W | 3-2 |
| Challenger Series TT | 2023/01/12 13:30 | Sven Happek v Makoto Nogami | W | 3-0 |
| Challenger Series TT | 2022/12/12 17:30 | Makoto Nogami v Sven Happek | W | 0-3 |
| Challenger Ochsenhausen | 2022/07/18 09:50 | Sven Happek v Makoto Nogami | L | 1-3 |