Round: 26 Ground: Hardcourt outdoor
| ITF Japan F6 | 2015/06/09 04:00 | Koichi Sano v Исей Окамура | 2-6,4-6 |
| ITF China F13 | 2016/07/19 04:00 | Исей Окамура v Йе Цонг Мо | 6-2,6-3 |
| ITF China F12 | 2016/07/16 03:00 | Исей Окамура v Куан-Йъ Ли | 6-7,4-6 |
| ITF China F12 | 2016/07/15 04:00 | Mitchell William Robins v Исей Окамура | 3-6,7-5,1-6 |
| ITF China F12 | 2016/07/14 02:30 | Seungri Choi v Исей Окамура | 2-6,7-6,6-7 |
| ITF China F12 | 2016/07/12 06:20 | Вей-Де Лин v Исей Окамура | 1-6,4-6 |
| ITF China F11 | 2016/07/09 04:30 | Bastian Trinker v Исей Окамура | 6-3,6-4 |
| ITF China F11 | 2016/07/08 04:00 | Исей Окамура v Ригеле Те | 6-3,6-4 |
| ITF China F11 | 2016/07/07 02:00 | Исей Окамура v Казума Кавачи | 6-3,6-3 |
| 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 Кайто Уесуги | 2-6,4-6 |
| ITF Japan F8 | 2016/06/11 01:00 | Koichi Sano v Юга Таширо | 6-3,7-5 |
| ITF Japan F7 | 2016/06/09 02:00 | Koichi Sano v Шо Катаяма | 6-3,2-6,1-6 |
| ITF Japan F7 | 2016/06/07 01:00 | Koichi Sano v Ивън Сонг | 2-6,7-5,6-4 |
| ITF Japan F7 Qual | 2016/06/05 01:00 | Masaki Sasai v Koichi Sano | 3-6,5-7 |