Stadion: Court 4 Round: 54 Ground: Hardcourt outdoor
| ITF - M25 - Tsukuba | 2023/04/01 01:00 | Yu Hsiou Hsu v Renta Tokuda | 6-3,6-4 |
| ITF - M25 - Tsukuba | 2023/03/31 01:00 | Renta Tokuda v Yuki Mochizuki | 6-2,6-4 |
| ITF - M25 - Tsukuba | 2023/03/30 01:00 | Renta Tokuda v Naoki Tajima | 6-0,6-4 |
| ITF - M15 - Monastir | 2023/03/14 08:25 | Renta Tokuda v Simone Roncalli | 4-6,3-6 |
| ITF - M15 - Monastir | 2023/03/09 10:30 | Renta Tokuda v Tao Mu | 3-6,3-6 |
| ITF - M15 - Monastir | 2023/03/08 10:00 | Zoran Ludoski v Renta Tokuda | 0-6,2-6 |
| ITF - M15 - Monastir | 2023/03/04 10:40 | Moez Echargui v Renta Tokuda | 6-3,6-1 |
| ITF - M15 - Monastir | 2023/03/03 10:00 | Christoph Negritu v Renta Tokuda | 1-6,1-6 |
| ITF - M25 - Kashiwa | 2023/04/02 00:30 | Ko Suzuki v Taiyo Yamanaka | 1-6,6-3,11-13 |
| ITF - M25 - Tsukuba | 2023/03/27 00:30 | Taiyo Yamanaka v Naoki Tajima | 6-4,5-7,8-10 |
| ITF - M15 - Monastir | 2023/03/09 08:30 | Hady Habib v Taiyo Yamanaka | 6-3,6-3 |
| ITF - M15 - Monastir | 2023/03/08 08:30 | Tomasz Berkieta v Taiyo Yamanaka | 6-4,3-6,3-6 |
| ITF - M15 - Monastir | 2023/03/06 13:30 | Taiyo Yamanaka v Aoran Wang | 6-3,6-2 |
| ITF - M15 - Monastir | 2023/03/06 10:00 | Taiyo Yamanaka v Dimitris Sakellaridis | 6-2,6-7,10-8 |
| ITF - M15 - Monastir | 2023/03/05 08:30 | Taiyo Yamanaka v Victor Ernaelsteen | 4-6,6-3,10-2 |
| ITF - M15 - Monastir | 2023/03/02 10:20 | Taiyo Yamanaka v Ryuki Matsuda | 0-6,2-6 |