| UTR Pro Urayasu | 2024/05/09 01:30 | Kazuki Saito v Toa Maeda | 2-6,6-7 |
| UTR Pro Urayasu | 2024/05/09 01:30 | Hiiro Sakamoto v Seiya Nakanishi | 7-6,7-6 |
| UTR Pro Urayasu | 2024/05/06 02:15 | Toa Maeda v Seiya Nakanishi | 3-6,1-6 |
| 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 |