| ITF Japan F2 | 2015/03/14 02:30 | Aoxiong Wang v Yuki Matsuo | 1-6,2-6 |
| ITF Japan F1 | 2015/03/11 04:35 | Kento Takeuchi v Yuki Matsuo | 6-2,6-4 |
| ITF Japan F1 | 2015/03/08 01:00 | Ryota Kishi v Yuki Matsuo | 3-6,2-6 |
| ITF Vietnam F8 | 2016/09/18 03:00 | Koichi Sano v Shinta Fujii | 4-6,3-6 |
| ITF Vietnam F4 | 2016/09/12 03:00 | Arata Onozawa v Koichi Sano | 2-6,7-6,6-0 |
| ITF China F13 | 2016/07/20 02:30 | Issei Okamura v Koichi Sano | 6-0,6-2 |
| ITF China F13 | 2016/07/19 04:00 | Koichi Sano v Xi Qi | 6-2,7-6 |
| ITF China F12 | 2016/07/13 02:30 | Soichiro Moritani v Koichi Sano | 6-7,6-4,6-1 |
| ITF China F12 | 2016/07/12 02:30 | Zihao Xia v Koichi Sano | 6-7,3-6 |
| ITF Japan F8 | 2016/06/13 01:00 | Koichi Sano v Kaito Uesugi | 2-6,4-6 |
| ITF Japan F8 | 2016/06/11 01:00 | Koichi Sano v Yuga Tashiro | 6-3,7-5 |