Stadium: Court 4 Round: 54 Ground: Hardcourt outdoor
| ITF M25 Tsukuba | 2023/03/29 00:30 | Koki Matsuda v Ryotaro Taguchi | 6-3,2-6,2-6 |
| 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 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 |
| Nishi-Tokyo, Singles M-ITF-JPN-02A | 2024/03/20 00:50 | Ryotaro Taguchi v 마사바야시, 토모히로 | 6-3,6-3 |
| Nishi-Tokyo, Singles M-ITF-JPN-02A | 2024/03/18 01:00 | Ryotaro Taguchi v 데 쿠이퍼, 줄리엔 | 6-2,6-4 |
| ITF M15 Hinode | 2024/03/16 01:25 | 바이, 이앤 v Ryotaro Taguchi | 6-3,6-2 |
| ITF M15 Hinode | 2024/03/15 01:00 | Yi Zhou v Ryotaro Taguchi | 3-6,3-6 |
| ITF M15 Hinode | 2024/03/14 01:00 | Ryotaro Taguchi v 이, 덕희 | 2-6,6-0,6-3 |
| Tsukuba, Singles Qualifying M-ITF-JPN-04A | 2024/03/24 01:00 | 한, 선용 v Koki Matsuda | 4-6,4-6 |
| Nishi-Tokyo, Singles M-ITF-JPN-02A | 2024/03/20 06:50 | Koki Matsuda v 사켈라리디스, 스테파노스 | 7-5,6-7,4-6 |
| Nishi-Tokyo, Singles M-ITF-JPN-02A | 2024/03/18 01:00 | Hornitschek, Nico v Koki Matsuda | 2-6,3-6 |
| ITF M15 Hinode | 2024/03/13 02:00 | 시아우, 리앙 v Koki Matsuda | 6-3,6-7,7-6 |
| ITF M15 Hinode | 2024/03/11 04:30 | Koki Matsuda v 오카무라, 이세이 | 6-4,6-3 |
| UTR Pro Kawaguchi | 2024/03/03 02:00 | Koki Matsuda v 마사바야시, 토모히로 | 6-1,1-6,3-6 |
| ITF M15 Yanagawa | 2023/12/27 02:15 | Koki Matsuda v 푸쿠다, 소라 | 2-6,6-1,2-6 |
| ITF M15 Yanagawa | 2023/12/21 08:45 | Koki Matsuda v 야마사키, 점페이 | 1-6,6-1,3-6 |