Stadium: Court 13 Round: 25 Ground: Hardcourt outdoor
| ITF - Kashiwa M15 | 2024/04/01 04:40 | Ryotaro Taguchi v Kousuke Ogura | 6-1,6-2 |
| ITF - Kashiwa M15 | 2024/03/31 01:00 | Ryotaro Taguchi v Mattias Southcombe | 6-2,6-2 |
| ITF - Tsukuba M15 | 2024/03/28 03:20 | Ryotaro Taguchi v Sanhui Shin | 6-4,2-6,3-6 |
| ITF - Tsukuba M15 | 2024/03/27 06:35 | Jangjun Kim v Ryotaro Taguchi | 2-6,0-6 |
| ITF - Tsukuba M15 | 2024/03/25 06:00 | Ryotaro Taguchi v Koki Matsuda | 7-6,6-2 |
| ITF - Nishi-Tokyo M15 | 2024/03/23 01:40 | Ryotaro Taguchi v Hikaru Shiraishi | 2-6,6-4,4-6 |
| ITF - Nishi-Tokyo M15 | 2024/03/22 00:45 | Yan Bai v Ryotaro Taguchi | 3-6,5-7 |
| ITF - Nishi-Tokyo M15 | 2024/03/21 01:00 | Ryotaro Taguchi v Jeamoon Lee | 6-3,5-7,6-3 |
| ITF - Kashiwa M15 | 2024/04/01 03:45 | Ray Ho v Taiyo Yamanaka | 6-3,3-6,10-3 |
| ITF - Kashiwa M15 | 2024/03/31 01:00 | Taiyo Yamanaka v Seon Yong Han | 6-4,6-0 |
| ITF - Tsukuba M15 | 2024/03/24 01:00 | Taiyo Yamanaka v Jumpei Yamasaki | 3-6,1-6 |
| ITF - Nishi-Tokyo M15 | 2024/03/20 02:35 | Jie Cui v Taiyo Yamanaka | 6-4,6-4 |
| ITF - Nishi-Tokyo M15 | 2024/03/19 01:00 | Jumpei Yamasaki v Taiyo Yamanaka | 5-7,3-6 |
| ITF - Nishi-Tokyo M15 | 2024/03/18 03:30 | Mattias Southcombe v Taiyo Yamanaka | 3-6,4-6 |
| ITF - Hinode M15 | 2024/03/13 02:40 | Yan Bai v Taiyo Yamanaka | 3-6,6-4,6-1 |
| ITF - Hinode M15 | 2024/03/10 01:00 | Taiyo Yamanaka v Lennon-Roark Jones | 6-1,6-2 |