| WTT Feeder Biella MD | 2023/12/15 16:45 | Oikawa/Matsushima v Bourrassaud/Dorr | L | 2-3 |
| WTT Feeder Biella MD | 2023/12/14 09:50 | Oikawa/Matsushima v Konstantinopoulos/Sgouropoulos | W | 3-0 |
| Japan T League | 2023/10/28 04:00 | Oikawa/Matsushima v Sambe/Morizono | W | 2-1 |
| WTT Star Contender Lanzhou MD | 2023/10/05 10:30 | Oikawa/Matsushima v Lebrun/Lebrun | L | 0-3 |
| WTT Star Contender Lanzhou MD | 2023/10/04 10:00 | Yang/Kao v Oikawa/Matsushima | W | 1-3 |
| WTT Contender Rio MD | 2023/08/11 13:00 | Oikawa/Matsushima v Cho/Oh | L | 2-3 |
| WTT Contender Rio MD | 2023/08/10 22:30 | Huang/Liao v Oikawa/Matsushima | W | 0-3 |
| WTT Contender Rio MD Quals | 2023/08/09 13:00 | Desai/Gnanasekaran v Oikawa/Matsushima | W | 2-3 |