Round: 27 Ground: Hardcourt outdoor
| ITF Japan F4 | 2014/04/01 03:45 | Yuichi Ito v Issei Okamura | 7-6,2-6,6-7 |
| ITF Vietnam F4 | 2016/09/15 03:00 | Yuichi Ito v Yu Hsiang Chiu | 7-6,6-1 |
| ITF Vietnam F4 | 2016/09/13 04:35 | Yunseong Chung v Yuichi Ito | 4-6,7-5,4-6 |
| ITF Thailand F3 | 2016/09/06 07:15 | Yuichi Ito v Pruchya Isarow | 5-7,4-6 |
| ITF Thailand F2 | 2016/09/01 03:00 | Yuichi Ito v Kuan-Yi Lee | 0-6,4-6 |
| ITF Thailand F2 | 2016/08/31 03:00 | Bowen Ouyang v Yuichi Ito | 6-4,3-6,4-6 |
| ITF Thailand F2 | 2016/08/30 05:50 | Zhaoyi Cao v Yuichi Ito | 3-6,5-7 |
| ITF Vietnam F8 | 2016/08/11 04:20 | Yuichi Ito v Nam Hoang Ly | 7-6,7-5 |
| ITF Vietnam F8 | 2016/08/09 05:25 | Yuichi Ito v Maciej Smola | 6-4,6-4 |
| ITF Vietnam F4 | 2016/09/15 03:30 | Seungri Choi v Issei Okamura | 4-6,3-6 |
| ITF Vietnam F4 | 2016/09/13 07:10 | Chan-Yeong Oh v Issei Okamura | 6-7,3-6 |
| ITF Thailand F3 | 2016/09/07 02:00 | Issei Okamura v Jumpei Yamasaki | 6-4,2-6,4-6 |
| ITF Thailand F3 | 2016/09/05 03:00 | Issei Okamura v Natthasith Kunsuwan | 6-2,6-4 |
| ITF Thailand F2 | 2016/08/29 03:00 | Renta Tokuda v Issei Okamura | 6-4,6-1 |
| ITF Thailand F4 | 2016/08/25 03:00 | Ti Chen v Issei Okamura | 6-1,6-0 |
| ITF Thailand F4 | 2016/08/24 03:00 | Phassawit Bura'ritta v Issei Okamura | 3-6,4-6 |
| ITF Thailand F4 | 2016/08/22 03:00 | Issei Okamura v N. Vijay Sundar Prashanth | 6-2,4-6,6-4 |