Round: 54 Ground: Clay
| 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 | Kikuchi, Gengo 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 Tashiro, Yuga | 2-6,4-6 |
| ITF Vietnam F8 | 2016/09/18 03:00 | Sano, Koichi v Fujii, Shinta | 4-6,3-6 |
| ITF Japan F5 | 2017/04/01 02:00 | Kawakami, Rimpei v Daisuke Sumizawa | 7-5,6-4 |
| ITF Japan F3 | 2017/03/22 02:05 | Chung, Hong v Kawakami, Rimpei | 6-2,3-6,6-2 |
| ITF Japan F3 | 2017/03/19 01:00 | Onozawa, Arata v Kawakami, Rimpei | 3-6,6-2,2-6 |
| ITF Japan F3 | 2017/03/18 06:00 | Kawakami, Rimpei v Wei-De Lin | 6-2,6-2 |
| ITF Japan F3 | 2017/03/18 00:30 | Kawakami, Rimpei v Rio Noguchi | 6-4,7-6 |
| ITF Vietnam F4 | 2016/09/13 03:00 | Cao, Zhaoyi v Kawakami, Rimpei | 6-4,7-5 |
| ITF Vietnam F4 | 2016/09/11 03:00 | Abdul Razak, Ahmed Deedat v Kawakami, Rimpei | 2-6,0-6 |
| ITF Vietnam F4 | 2016/09/10 03:00 | Kawakami, Rimpei v Rynsaardt, Patrick | 6-2,6-3 |