| ITF - M15 Yanagawa | 2023/12/27 03:40 | Hanyi Liu v Toa Maeda | 7-6,6-3 |
| ITF - M15 Yanagawa | 2023/12/26 00:30 | Toa Maeda v Radu Ioan Popa | 6-3,7-6 |
| ITF - M25 Takasaki | 2023/09/20 02:45 | Tatsuma Ito v Toa Maeda | 6-3,6-0 |
| UTR Pro Suita | 2024/04/28 02:00 | Shion Itsusaki v Seiya Nakanishi | 6-4,6-4 |
| UTR Pro Suita | 2024/04/27 00:30 | Wakamatsu Taichi v Seiya Nakanishi | 3-6,7-6,5-7 |
| UTR Pro Suita | 2024/04/26 02:00 | Hiiro Sakamoto v Seiya Nakanishi | 3-6,6-2,2-6 |
| UTR Pro Suita | 2024/04/25 04:13 | Yuto Okuchi v Seiya Nakanishi | 1-6,1-6 |
| UTR Pro Suita | 2024/04/24 02:31 | Ryotaro Matsumura v Seiya Nakanishi | 6-4,6-0 |
| UTR Pro Suita | 2024/04/22 04:59 | Taketo Takamisawa v Seiya Nakanishi | 6-4,4-6,7-5 |
| ITF - M15 Hinode | 2024/03/11 04:45 | Seiya Nakanishi v Shunsuke Nakagawa | 4-6,2-6 |
| ITF - M15 Hinode | 2024/03/11 01:00 | Jumpei Yamasaki v Seiya Nakanishi | 5-7,6-4,8-10 |