Ground: Hardcourt outdoor
| UTR Pro Suita | 2024/04/24 00:30 | Kai Kawano v Haruki Katsushima | 4-6,4-6 |
| 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 | 2024/06/29 23:30 | Taiyo Kurata v Haruki Katsushima | 6-3,6-1 |
| UTR Pro Kawaguchi | 2024/06/29 03:40 | Tomislav E Papac v Haruki Katsushima | 7-5,6-1 |
| UTR Pro Kawaguchi | 2024/06/27 04:20 | Ryotaro Matsumura v Haruki Katsushima | 6-1,5-1 |
| UTR Pro Kawaguchi | 2024/06/26 02:00 | Kosuke Nakanishi v Haruki Katsushima | 6-3,1-6,6-2 |
| UTR Pro Kawaguchi | 2024/06/24 05:39 | Seiya Nakanishi v Haruki Katsushima | 6-1,6-3 |
| UTR Pro Urayasu | 2024/05/11 01:30 | Haruki Katsushima v Taketo Takamisawa | 3-6,0-6 |
| UTR Pro Urayasu | 2024/05/10 00:00 | Haruki Katsushima v Masaya Kobayashi | 6-2,5-3 |
| UTR Pro Urayasu | 2024/05/09 06:00 | Haruki Katsushima v Koki Takada | 6-1,6-4 |