| UTR Pro - Kawaguchi | 2024/03/09 04:00 | Kai Kawano v Yusuke Yoshikawa | 6-2,6-3 |
| UTR Pro - Kawaguchi | 2024/03/07 01:00 | Kai Kawano v Christopher Kosei Ono | 6-4,6-2 |
| UTR Pro - Kawaguchi | 2024/03/04 23:30 | Kai Kawano v Masaya Yufu | 6-2,6-0 |
| UTR Pro - Kawaguchi | 2024/03/04 03:00 | Kai Kawano v Riku Takahata | 4-6,4-6 |
| UTR Pro - Kawaguchi | 2024/03/04 00:00 | Kai Kawano v Kazuma Kimura | 6-0,6-3 |
| UTR Pro - Kawaguchi | 2024/03/09 05:15 | Hiiro Sakamoto v Ryoto Tachi | 6-4,6-3 |
| UTR Pro - Kawaguchi | 2024/03/08 05:00 | Hiiro Sakamoto v Yuto Miyagawa | 6-1,6-4 |
| UTR Pro - Kawaguchi | 2024/03/07 06:03 | Hiiro Sakamoto v Haruki Katsushima | 4-6,6-7 |
| UTR Pro - Kawaguchi | 2024/03/07 00:04 | Koki Takada v Hiiro Sakamoto | 5-7,3-6 |
| UTR Pro - Kawaguchi | 2024/03/04 23:30 | Masaya Kobayashi v Hiiro Sakamoto | 5-7,5-7 |
| UTR Pro - Taipei | 2023/12/23 07:16 | Hiiro Sakamoto v Yan Cheng Chen | 6-4,5-3 |
| UTR Pro - Taipei | 2023/12/22 02:30 | Hiiro Sakamoto v Hao-Yu Lin | 6-2,6-3 |
| UTR Pro - Taipei | 2023/12/21 02:30 | Alexander Chang v Hiiro Sakamoto | 7-5,5-0 |