Round: 62 Ground: Hardcourt outdoor
| 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 F1 | 2017/03/05 01:00 | Sano, Koichi v 타시로, 유가 | 2-6,4-6 |
| Vietnam F8, Singles | 2016/09/18 03:00 | Sano, Koichi v Fujii, Shinta | 4-6,3-6 |
| ITF Vietnam F4 | 2016/09/12 03:00 | Onozawa, Arata v Sano, Koichi | 2-6,7-6,6-0 |
| ITF China F13 | 2016/07/20 02:30 | 오카무라, 이세이 v Sano, Koichi | 6-0,6-2 |
| ITF Japan F3 | 2017/03/18 00:30 | Johns, Collin v Ono, Yohei | 7-5,6-2 |
| ITF Japan F1 | 2017/03/06 01:00 | Ono, Yohei v Fujii, Shinta | 5-7,5-7 |
| ITF Japan F1 | 2017/03/05 01:00 | Ono, Yohei v Otsuka, Yohei | 6-3,6-3 |
| ITF Japan F1 | 2017/03/04 01:00 | Johns, Collin v Ono, Yohei | 3-6,6-4,5-7 |
| ITF Japan F3 | 2015/03/23 01:00 | 산틸란, 아키라 v Ono, Yohei | 6-3,6-0 |
| ITF Japan F3 | 2015/03/22 01:00 | Habusawa, Tetsuro v Ono, Yohei | 1-6,2-6 |
| ITF Japan F2 | 2015/03/15 01:00 | Ono, Yohei v 모리타니, 소이치로 | 6-2,2-6,2-6 |
| ITF Japan F1 | 2015/03/09 00:40 | Ono, Yohei v 오니시, 켄 | 2-6,1-6 |