Stadium: Royal SC Tennis - Court 03 Round: 28 Ground: Hardcourt outdoor
Referee:
| UTR Pro Kawaguchi | 2024/03/07 01:00 | Kai Kawano v Christopher Kosei Ono | 6-4,6-2 |
| UTR Pro Urayasu | 2024/05/12 00:45 | Kai Kawano v Koki Takada | 6-3,4-6,6-2 |
| UTR Pro Urayasu | 2024/05/11 00:00 | Hiiro Sakamoto v Kai Kawano | 4-6,6-4,3-6 |
| UTR Pro Urayasu | 2024/05/10 00:00 | Kai Kawano v Yusaku Iwai | 6-0,5-1 |
| UTR Pro Urayasu | 2024/05/08 00:00 | Kai Kawano v Taketo Takamisawa | 4-6,4-6 |
| UTR Pro Urayasu | 2024/05/06 00:00 | Takeyasu Sekiguchi v Kai Kawano | 7-5,6-0 |
| UTR Pro Suita | 2024/04/27 08:30 | Natsuki Yamamoto v Kai Kawano | 7-5,6-2 |
| UTR Pro Suita | 2024/04/25 00:30 | Kai Kawano v Kazuma Kimura | 4-6,3-6 |
| UTR Pro Suita | 2024/04/24 00:30 | Kai Kawano v Haruki Katsushima | 4-6,4-6 |
| UTR Pro Kawaguchi | 2024/06/22 09:31 | Christopher Kosei Ono v Ryoma Mishiro | 0-6,1-6 |
| UTR Pro Kawaguchi | 2024/06/22 01:00 | Christopher Kosei Ono v Seiya Nakanishi | 7-6,3-6,3-6 |
| UTR Pro Kawaguchi | 2024/06/19 07:40 | Christopher Kosei Ono v Payton Jim on | 6-1,5-0 |
| UTR Pro Kawaguchi | 2024/06/19 01:30 | Christopher Kosei Ono v Hikaru Shiraishi | 1-6,1-6 |
| UTR Pro Kawaguchi | 2024/06/17 00:00 | Taiyo Kurata v Christopher Kosei Ono | 4-6,6-1,6-7 |
| UTR Pro Urayasu | 2024/05/11 03:15 | Kotaro Mochizuki v Christopher Kosei Ono | 6-3,6-4 |
| UTR Pro Urayasu | 2024/05/10 00:00 | Yusuke Yoshikawa v Christopher Kosei Ono | 6-1,7-6 |
| UTR Pro Urayasu | 2024/05/08 03:30 | Yuki Mochizuki v Christopher Kosei Ono | 4-6,6-2,6-2 |