| UTR Pro Urayasu | 2024/05/08 03:00 | Ryoto Tachi v Yusuke Yoshikawa | 0-0 |
| UTR Pro Urayasu | 2024/05/08 00:00 | Ryoto Tachi v Hamish Bartos | 1-2 |
| UTR Pro Urayasu | 2024/05/06 04:00 | Ryoto Tachi v Yuki Mochizuki | 1-6,1-6 |
| ITF M15 Sharm El Sheikh | 2024/03/25 10:30 | Illya Beloborodko v Ryoto Tachi | 6-1,6-1 |
| ITF M15 Sharm El Sheikh | 2024/03/17 08:00 | Ryoto Tachi v Mattia Ricci | 6-1,4-6,5-10 |
| ITF M15 Hinode | 2024/03/11 01:00 | Keisuke Saitoh v Ryoto Tachi | 6-3,6-2 |
| UTR Pro Kawaguchi | 2024/03/09 05:15 | Hiiro Sakamoto v Ryoto Tachi | 6-4,6-3 |
| UTR Pro Kawaguchi | 2024/03/07 03:08 | Ryoto Tachi v Rei Sato | 6-1,6-4 |
| UTR Pro Urayasu | 2024/05/08 03:30 | Yuki Mochizuki v Christopher Kosei Ono | 4-6,6-2,6-2 |
| UTR Pro Urayasu | 2024/05/06 04:30 | Hamish Bartos v Christopher Kosei Ono | 5-7,3-6 |
| UTR Pro Kawaguchi | 2024/03/09 00:00 | Rei Sato v Christopher Kosei Ono | 3-6,7-6,6-7 |
| UTR Pro Kawaguchi | 2024/03/08 05:00 | Masaya Yufu v Christopher Kosei Ono | 2-6,0-6 |
| UTR Pro Kawaguchi | 2024/03/07 01:00 | Kai Kawano v Christopher Kosei Ono | 6-4,6-2 |
| UTR Pro Kawaguchi | 2024/03/05 01:00 | Kazuma Kimura v Christopher Kosei Ono | 3-6,0-6 |
| UTR Pro Kawaguchi | 2024/03/04 07:00 | Riku Takahata v Christopher Kosei Ono | 6-1,6-1 |
| UTR Pro Kawaguchi | 2024/03/03 02:00 | Chun-Ming Yam v Christopher Kosei Ono | 3-6,7-6,3-6 |