Round: 54 Ground: Clay
| ITF Chinese Taipei F1 Qual | 2015/08/17 06:30 | Hiroki Horikiri v Chien Hsun Lo | 6-2,1-6,6-7 |
| ITF Chinese Taipei F1 Qual | 2015/08/16 02:00 | Hiroki Horikiri v Shawn H. Hadavi | 6-4,6-4 |
| ITF China F4 Qual | 2015/04/18 02:00 | Jiaqi Duan v Hiroki Horikiri | 6-2,6-4 |
| ITF China F2 Qual | 2015/04/12 04:00 | Hiroki Horikiri v Xiao Qi | 7-5,0-6,3-6 |
| ITF Japan F5 | 2017/04/01 02:00 | Katsuki Nagao v Kazuki Shimizu | 6-3,6-3 |
| ITF Japan F1 | 2017/03/05 01:00 | Zhaoyi Cao v Kazuki Shimizu | 2-6,6-2,7-5 |
| ITF Japan F5 | 2016/04/03 02:30 | Ken Onishi v Kazuki Shimizu | 6-3,6-2 |