Stadium: Court 4 Round: 54 Ground: Hardcourt outdoor
| ITF M25 Kashiwa | 2023/04/02 04:00 | Maximus Jones v Ryotaro Taguchi | 6-7,5-7 |
| ITF M25 Tsukuba | 2023/03/30 00:55 | Yu Hsiou Hsu v Ryotaro Taguchi | 6-1,6-4 |
| ITF M25 Tsukuba | 2023/03/29 00:30 | Koki Matsuda v Ryotaro Taguchi | 6-3,2-6,2-6 |
| ITF M25 Tsukuba | 2023/03/27 05:00 | Ryotaro Taguchi v Issei Okamura | 7-5,6-2 |
| ITF M25 Tsukuba | 2023/03/27 00:30 | Maximus Jones v Ryotaro Taguchi | 4-6,0-6 |
| ITF M25 Monastir | 2023/02/20 14:30 | Mischa Zverev v Ryotaro Taguchi | 6-2,6-1 |
| ITF M25 Monastir | 2023/02/20 10:10 | Ryotaro Taguchi v Marc Antoine Gaillard | 6-1,6-3 |
| UTR Pro Miki | 2023/02/11 00:30 | Yuta Kawahashi v Ryotaro Taguchi | 6-0,6-4 |
| ITF M25 Tsukuba | 2023/03/27 04:00 | Koki Matsuda v Asahi Harazaki | 7-6,6-7,10-8 |
| ITF M25 Tsukuba | 2023/03/27 00:30 | Mao Takada v Asahi Harazaki | 2-6,5-7 |
| Challenger Yokkaichi | 2022/11/21 01:00 | Asahi Harazaki v Yuki Mochizuki | 3-6,4-6 |
| Challenger Yokkaichi | 2022/11/20 01:00 | Tsung-Hao Huang v Asahi Harazaki | 3-6,6-4,4-6 |
| Challenger Kobe | 2022/11/13 02:15 | Asahi Harazaki v Naoki Nakagawa | 3-6,2-6 |
| Challenger Yokohama | 2022/10/31 04:25 | Yuki Mochizuki v Asahi Harazaki | 6-3,6-4 |
| Challenger Yokohama | 2022/10/30 06:05 | Asahi Harazaki v Savriyan Danilov | 6-1,7-5 |
| ITF M25 Kashiwa | 2022/09/29 01:00 | Ryota Tanuma v Asahi Harazaki | 7-5,6-4 |