Stadium: Court 2 Round: 25 Ground: Clay
| ITF M15 Karuizawa | 2024/05/27 01:00 | Geni Inoue v Yusaku Sugaya | 4-6,2-6 |
| ITF M15 Karuizawa | 2024/05/26 01:00 | Yusaku Sugaya v Yua Taka | 6-7,7-5,10-5 |
| 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 |
| ITF M15 Tsukuba | 2024/03/27 04:05 | Shunsuke Nakagawa v Kokoro Isomura | 3-6,6-4,0-6 |
| ITF M15 Tsukuba | 2024/03/25 06:00 | Shunsuke Nakagawa v Hayato Matsuoka | 6-3,3-6,4-10 |
| ITF M15 Nishi-Tokyo | 2024/03/21 03:10 | Jie Cui v Shunsuke Nakagawa | 6-0,6-4 |
| ITF M15 Nishi-Tokyo | 2024/03/20 01:00 | Kosuke Morita v Shunsuke Nakagawa | 4-6,5-7 |
| ITF M15 Nishi-Tokyo | 2024/03/18 03:30 | Yeongseok Jeong v Shunsuke Nakagawa | 6-7,2-6 |
| ITF M15 Hinode | 2024/03/14 00:55 | Yan Bai v Shunsuke Nakagawa | 6-2,6-2 |