| ITF Japan F8 | 2017/06/15 03:05 | Arata Onozawa v Koichi Sano | 6-2,1-6,0-6 |
| ITF Japan F8 | 2017/06/14 03:55 | Koichi Sano v Akito Higa | 6-3,6-4 |
| ITF Japan F5 | 2017/04/04 00:30 | Yuki Matsuo v Koichi Sano | 7-5,7-6 |
| ITF Japan F5 | 2017/04/02 01:00 | Koichi Sano v Rimpei Kawakami | 6-1,6-2 |
| ITF Japan F5 | 2017/04/01 02:00 | Koichi Sano v Artem Vu | 6-2,6-4 |
| ITF Japan F4 | 2017/03/25 03:00 | Koichi Sano v Yohei Ono | 3-6,1-6 |
| ITF Japan F3 | 2017/03/18 00:30 | Yuki Matsuo v Koichi Sano | 6-4,7-6 |
| ITF Japan F2 | 2017/03/14 06:05 | Gengo Kikuchi v Koichi Sano | 6-2,6-4 |
| ITF Japan F8 | 2017/06/15 03:10 | Ibuki Furuta v Sora Fukuda | 6-4,2-6,1-6 |
| ITF Japan F8 | 2017/06/14 05:45 | Haru Inoue v Sora Fukuda | 7-6,4-6,4-6 |
| ITF Japan F7 | 2017/06/08 04:25 | Sora Fukuda v Naoki Nakagawa | 6-2,5-7,4-6 |
| ITF Japan F7 | 2017/06/08 01:00 | Sora Fukuda v Naoki Nakagawa | 6-2,5-7,4-6 |
| ITF Japan F7 | 2017/06/06 01:00 | Gengo Kikuchi v Sora Fukuda | 2-6,2-6 |
| ITF Japan F6 | 2017/06/03 02:00 | Sora Fukuda v Shintaro Imai | 4-6,3-6 |
| ITF Japan F6 | 2017/06/02 04:00 | Takuto Niki v Sora Fukuda | 6-3,4-6,3-6 |
| ITF Japan F6 | 2017/06/01 04:10 | Yuto Sakai v Sora Fukuda | 6-7,3-6 |