Stadium: Royal SC Tennis - Court 03 Round: 28 Ground: Hardcourt outdoor
| UTR Pro Kawaguchi | 2024/03/07 01:00 | Kai Kawano v Christopher Kosei Ono | 6-4,6-2 |
| UTR Pro Noda | 2025/01/10 00:00 | Kai Kawano v Yusuke Yoshikawa | 6-3,5-7,6-2 |
| UTR Pro Noda | 2025/01/08 01:30 | Kai Kawano v Daiki Yoshimura | 2-6,1-6 |
| UTR Pro Noda | 2025/01/07 03:55 | Kai Kawano v Ammar Elamin | 2-6,0-6 |
| UTR Pro Noda | 2025/01/06 00:30 | Soma Fukuhara v Kai Kawano | 6-3,6-4 |
| UTR Pro Yokohama | 2024/12/01 02:19 | Ryusuke Horiuchi v Kai Kawano | 3-6,2-6 |
| UTR Pro Yokohama | 2024/11/30 00:00 | Kai Kawano v Haruki Katsushima | 7-5,5-4 |
| UTR Pro Yokohama | 2024/11/29 00:00 | Seiya Nakanishi v Kai Kawano | 6-7,3-6 |
| UTR Pro Yokohama | 2024/11/28 03:20 | Henry Ren v Kai Kawano | 6-2,6-2 |
| UTR Pro Noda | 2025/01/10 01:35 | Kazuki Sugimoto v Christopher Kosei Ono | 6-4,6-4 |
| UTR Pro Noda | 2025/01/09 03:50 | Taketo Takamisawa v Christopher Kosei Ono | 6-1,7-5 |
| UTR Pro Noda | 2025/01/08 04:50 | Sean Hill v Christopher Kosei Ono | 6-2,6-4 |
| UTR Pro Noda | 2025/01/06 02:05 | Kairi Inoue v Christopher Kosei Ono | 1-6,1-6 |
| UTR Pro Urayasu | 2024/10/20 02:14 | Shinde Yuzuki v Christopher Kosei Ono | 7-5,6-4 |
| UTR Pro Urayasu | 2024/10/19 04:30 | Joel Braund v Christopher Kosei Ono | 2-6,2-6 |
| UTR Pro Urayasu | 2024/10/18 05:00 | Haruki Katsushima v Christopher Kosei Ono | 6-1,6-3 |
| UTR Pro Urayasu | 2024/10/17 02:30 | Takeshi Maruta v Christopher Kosei Ono | 6-4,6-2 |