Stadium: Court 3 Round: 29 Ground: Hardcourt outdoor
| ITF - M15 Tsukuba | 2024/03/30 01:25 | Hikaru Shiraishi v Yi Zhou | 6-2,6-4 |
| ITF - M15 Tsukuba | 2024/03/29 06:45 | Yunseong Chung v Hikaru Shiraishi | 6-2,4-6,4-6 |
| ITF - M15 Tsukuba | 2024/03/28 04:20 | Kousuke Ogura v Hikaru Shiraishi | 2-6,2-6 |
| ITF - M15 Tsukuba | 2024/03/27 01:00 | Yusuke Kusuhara v Hikaru Shiraishi | 3-6,2-6 |
| ITF - M15 Nishi-Tokyo | 2024/03/24 02:00 | Hikaru Shiraishi v Duckhee Lee | 6-4,7-6 |
| ITF - M15 Nishi-Tokyo | 2024/03/23 01:40 | Ryotaro Taguchi v Hikaru Shiraishi | 2-6,6-4,4-6 |
| ITF - M15 Nishi-Tokyo | 2024/03/22 03:05 | Jie Cui v Hikaru Shiraishi | 6-3,3-6,0-6 |
| ITF - M15 Nishi-Tokyo | 2024/03/21 01:00 | Sora Fukuda v Hikaru Shiraishi | 6-7,0-6 |
| ITF - M15 Tsukuba | 2024/03/30 02:00 | Ryotaro Matsumura v Kokoro Isomura | 1-6,6-7 |
| ITF - M15 Tsukuba | 2024/03/29 06:05 | Kokoro Isomura v Stefanos Sakellaridis | 6-2,0-6,6-2 |
| ITF - M15 Tsukuba | 2024/03/28 01:00 | Tsung-Hao Huang v Kokoro Isomura | 6-2,4-6,0-6 |
| ITF - M15 Tsukuba | 2024/03/27 04:05 | Shunsuke Nakagawa v Kokoro Isomura | 3-6,6-4,0-6 |
| ITF - M15 Hinode | 2024/03/14 02:40 | Kokoro Isomura v Stefanos Sakellaridis | 3-6,4-6 |
| ITF - M15 Hinode | 2024/03/13 05:45 | Yuta Kikuchi v Kokoro Isomura | 6-4,6-7,1-6 |
| ITF - M25 Traralgon | 2024/02/27 02:50 | Kokoro Isomura v Andre Ilagan | 4-6,0-6 |
| ITF - M25 Traralgon | 2024/02/20 23:00 | Kokoro Isomura v James McCabe | 6-7,2-6 |