Stadium: KPI Park - Court 02 Round: 28 Ground: Hardcourt outdoor
Referee:
| ITF M15 Tanagura | 2024/10/26 01:00 | Ryotaro Matsumura v Issei Okamura | 6-2,6-2 |
| ITF M15 Tanagura | 2024/10/25 00:30 | Issei Okamura v Yuichiro Inui | 6-4,6-7,6-3 |
| ITF M15 Tanagura | 2024/10/24 00:55 | Issei Okamura v Yusaku Sugaya | 2-6,6-3,7-5 |
| ITF M15 Tanagura | 2024/10/22 00:30 | Chan-Yeong Oh v Issei Okamura | 2-6,4-6 |
| ITF M15 Bali | 2024/09/17 05:10 | Leo Vithoontien v Issei Okamura | 3-6,6-2,7-6 |
| ITF M25 Bali | 2024/09/16 03:30 | Issei Okamura v Jack Bruce-Smith | 6-1,6-3 |
| ITF M25 Bali | 2024/09/15 01:30 | Issei Okamura v Alexey Shtengelov | 6-2,6-2 |
| ITF M15 Singapore | 2024/09/11 04:05 | Aldin Setkic v Issei Okamura | 6-4,6-4 |
| ITF M15 Yanagawa | 2024/10/28 04:00 | Keisuke Ota v Ke Hau Hung | 3-6,3-6 |
| ITF M15 Tanagura | 2024/10/20 00:30 | Keisuke Ota v Shu Muto | 4-6,0-6 |
| 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 |