| Challenger Series TT | 2023/05/04 11:50 | Makoto Nogami v Dennis Klein | L | 2-3 |
| Challenger Series TT | 2023/04/06 17:10 | Dennis Klein v Makoto Nogami | L | 3-1 |
| Challenger Series TT | 2023/03/27 14:30 | Makoto Nogami v Dennis Klein | L | 0-3 |
| Challenger Series TT | 2023/02/09 07:30 | Makoto Nogami v Dennis Klein | L | 0-3 |