Stadium: KPI Park - Court 03 Ground: Hardcourt outdoor
Referee:
| 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 Nakhon Si Thammarat | 2024/08/28 03:45 | Nick Chappell v Koki Matsuda | 6-4,6-7,6-4 |
| ITF M25 Nakhon Si Thammarat | 2024/08/26 03:25 | Koki Matsuda v Credit Chaiyarin | 6-0,6-4 |
| ITF M25 Nakhon Si Thammarat | 2024/08/25 07:30 | Koki Matsuda v Daniel Leong Prickett | 6-1,6-4 |
| ITF M15 Nakhon Si Thammarat | 2024/08/22 03:45 | Ryuki Matsuda v Koki Matsuda | 7-6,7-6 |
| ITF M15 Nakhon Si Thammarat | 2024/08/21 06:40 | Koki Matsuda v Yuichiro Inui | 6-3,6-3 |
| ITF M15 Tokyo | 2024/07/10 02:00 | Koki Matsuda v Ryota Tanuma | 4-6,6-3,1-6 |
| ITF M15 Nyiregyhaza | 2024/06/13 10:30 | Peter Nad v Koki Matsuda | 6-4,6-7,6-4 |
| ITF M25 Sarajevo | 2024/06/06 10:00 | Koki Matsuda v Jay Clarke | 2-6,2-6 |