| ITF Japan F5 | 2017/04/04 00:30 | Matsuo, Yuki v Sano, Koichi | 7-5,7-6 |
| ITF Japan F5 | 2017/04/02 01:00 | Sano, Koichi v 카와카미, 림페이 | 6-1,6-2 |
| ITF Japan F5 | 2017/04/01 02:00 | Sano, Koichi v Vu, Artem | 6-2,6-4 |
| ITF Japan F4 | 2017/03/25 03:00 | Sano, Koichi v Ono, Yohei | 3-6,1-6 |
| ITF Japan F3 | 2017/03/18 00:30 | Matsuo, Yuki v Sano, Koichi | 6-4,7-6 |
| ITF Japan F2 | 2017/03/14 06:05 | 키쿠치, 겐고 v Sano, Koichi | 6-2,6-4 |
| ITF Japan F2 | 2017/03/13 01:00 | Johns, Collin v Sano, Koichi | 5-7,6-4,4-6 |
| ITF Japan F2 | 2017/03/12 03:00 | Itsusaki, Kaito v Sano, Koichi | 6-7,1-6 |
| ITF Japan F8 | 2016/06/12 01:00 | 모치즈키, 유키 v Higa, Akito | 6-2,6-3 |
| ITF Japan F1 | 2016/03/06 03:00 | Higa, Akito v 스스키, 코 | 6-7,1-6 |
| ITF Japan F1 | 2016/03/05 03:00 | 오노, 마사요시 v Higa, Akito | 6-7,2-6 |
| ITF Japan F7 | 2015/06/16 00:30 | Higa, Akito v 토쿠다, 렌타 | 0-6,1-6 |