Round: 54 Ground: Clay
| ITF Japan F4 | 2017/03/29 01:00 | Gengo Kikuchi v Kaito Itsusaki | 6-4,6-3 |
| ITF Japan F4 | 2017/03/28 03:00 | Collin Johns v Kaito Itsusaki | 2-6,6-2,4-6 |
| ITF Japan F4 | 2017/03/27 01:00 | Takuya Komura v Kaito Itsusaki | 7-5,3-6,3-6 |
| ITF Japan F3 | 2017/03/18 00:30 | Kazuki Nishiwaki v Kaito Itsusaki | 6-3,6-4 |
| ITF Japan F2 | 2017/03/12 03:00 | Kaito Itsusaki v Koichi Sano | 6-7,1-6 |
| ITF Japan F2 | 2017/03/11 03:00 | Kaito Itsusaki v Yuki Nakamura | 6-3,6-0 |
| ITF Japan F1 | 2017/03/10 01:00 | Kaito Itsusaki v Takuto Niki | 2-6,4-6 |
| ITF Japan F1 | 2017/03/09 01:00 | Liang-Chi Huang v Kaito Itsusaki | 4-6,0-6 |
| ITF Japan F3 | 2017/03/18 08:00 | Masamichi Imamura v Katsuki Nagao | 2-6,1-6 |
| ITF Japan F3 | 2017/03/18 05:00 | Masamichi Imamura v Takuya Kumasaka | 7-6,7-5 |
| Challenger Yokohama Qual | 2017/02/25 06:25 | Hiroyasu Ehara v Masamichi Imamura | 6-3,6-4 |