Round: 25 Ground: Hardcourt outdoor
| Nishi-Tokyo, Singles M-ITF-JPN-02A | 2024/03/23 01:40 | Ryotaro Taguchi v 시라이시, 히카루 | 2-6,6-4,4-6 |
| Sapporo, Singles Main, M-ITF-JPN-02A | 2023/09/05 04:55 | 시라이시, 히카루 v Ryotaro Taguchi | 4-6,6-4,0-6 |
| Kashiwa, Singles Qualifying M-ITF-JPN-05A | 2024/04/01 04:40 | Ryotaro Taguchi v 오구라, 코스케 | 6-1,6-2 |
| Kashiwa, Singles Qualifying M-ITF-JPN-05A | 2024/03/31 01:00 | Ryotaro Taguchi v Mattias Southcombe | 6-2,6-2 |
| Tsukuba, Singles Qualifying M-ITF-JPN-04A | 2024/03/28 03:20 | Ryotaro Taguchi v 신, 산후이 | 6-4,2-6,3-6 |
| Tsukuba, Singles Qualifying M-ITF-JPN-04A | 2024/03/27 06:35 | Jangjun Kim v Ryotaro Taguchi | 2-6,0-6 |
| Tsukuba, Singles Qualifying M-ITF-JPN-04A | 2024/03/25 06:00 | Ryotaro Taguchi v Koki Matsuda | 7-6,6-2 |
| Nishi-Tokyo, Singles M-ITF-JPN-02A | 2024/03/23 01:40 | Ryotaro Taguchi v 시라이시, 히카루 | 2-6,6-4,4-6 |
| Nishi-Tokyo, Singles M-ITF-JPN-02A | 2024/03/22 00:45 | 바이, 이앤 v Ryotaro Taguchi | 3-6,5-7 |
| Nishi-Tokyo, Singles M-ITF-JPN-02A | 2024/03/21 01:00 | Ryotaro Taguchi v Jeamoon Lee | 6-3,5-7,6-3 |
| Tsukuba, Singles Qualifying M-ITF-JPN-04A | 2024/03/31 02:30 | 시라이시, 히카루 v Kokoro Isomura | 6-1,6-3 |
| Tsukuba, Singles Qualifying M-ITF-JPN-04A | 2024/03/30 01:25 | 시라이시, 히카루 v Yi Zhou | 6-2,6-4 |
| Tsukuba, Singles Qualifying M-ITF-JPN-04A | 2024/03/29 06:45 | 충, 윤성 v 시라이시, 히카루 | 6-2,4-6,4-6 |
| Tsukuba, Singles Qualifying M-ITF-JPN-04A | 2024/03/28 04:20 | 오구라, 코스케 v 시라이시, 히카루 | 2-6,2-6 |
| Tsukuba, Singles Qualifying M-ITF-JPN-04A | 2024/03/27 01:00 | Kusuhara, Yusuke v 시라이시, 히카루 | 3-6,2-6 |
| Nishi-Tokyo, Singles M-ITF-JPN-02A | 2024/03/24 02:00 | 시라이시, 히카루 v 이, 덕희 | 6-4,7-6 |
| Nishi-Tokyo, Singles M-ITF-JPN-02A | 2024/03/23 01:40 | Ryotaro Taguchi v 시라이시, 히카루 | 2-6,6-4,4-6 |
| Nishi-Tokyo, Singles M-ITF-JPN-02A | 2024/03/22 03:05 | 추이, 지에 v 시라이시, 히카루 | 6-3,3-6,0-6 |