Ground: Hardcourt outdoor
| 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 |
| ITF M25 Sapporo | 2024/09/02 01:00 | Hiroki Sakagawa v Keisuke Ota | 6-0,6-0 |
| ITF M25 Sapporo | 2024/09/01 01:00 | Keisuke Ota v Jared Thompkins | 6-2,6-7,10-6 |
| UTR Pro Kawaguchi | 2024/06/24 02:44 | Brody Nejedly-Krall v Keisuke Ota | 6-2,2-6,7-5 |