| Challenger Kobe | 11/10 05:15 | 45 | Takuto Niki v Taisei Ichikawa | 6-2,6-7,3-6 | |
| ITF Japan F5 | 04/06 01:00 | 27 | Zhe Li v Taisei Ichikawa | 6-2,7-6 | |
| ITF Japan F5 | 04/04 01:00 | 26 | Taisei Ichikawa v Renta Tokuda | 6-3,6-3 | |
| ITF Japan F5 | 04/03 01:00 | 25 | Shao-Fan Liu v Taisei Ichikawa | 6-7,0-6 | |
| ITF Japan F8 | 06/14 03:00 | 25 | Katsuki Nagao v Taisei Ichikawa | 6-0,6-1 | |
| ITF Japan F8 | 06/11 00:00 | 62 | Kazuma Kawachi v Taisei Ichikawa | 6-2,5-7,2-6 | |
| ITF Japan F8 | 06/10 00:00 | 62 | Kousuke Ogura v Taisei Ichikawa | 2-6,2-6 |