Stadium: COURT 3 Round: 25 Ground: Hardcourt outdoor
| 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 M25 Sapporo | 2024/09/12 01:00 | Masamichi Imamura v Shunsuke Nakagawa | 6-3,6-1 |
| ITF M25 Sapporo | 2024/09/11 02:50 | Ko Suzuki v Shunsuke Nakagawa | 4-6,1-6 |
| ITF M25 Sapporo | 2024/09/09 03:30 | Shunsuke Nakagawa v Seiya Nakanishi | 6-2,6-2 |
| ITF M25 Sapporo | 2024/09/08 01:00 | Shunsuke Nakagawa v Riku Takahata | 6-3,6-2 |
| ITF M15 Tokyo | 2024/07/02 03:10 | Taiyo Yamanaka v Shunsuke Nakagawa | 6-4,7-6 |
| ITF M15 Karuizawa | 2024/05/29 02:00 | Yusaku Sugaya v Shunsuke Nakagawa | 5-7,7-6,10-7 |
| ITF M15 Karuizawa | 2024/05/27 01:00 | Shunsuke Nakagawa v Toru Horie | 7-6,7-5 |
| ITF M15 Kashiwa | 2024/03/31 05:00 | Ray Ho v Shunsuke Nakagawa | 6-4,3-6,10-5 |