Stadium: Court 6 Round: 25 Ground: Hardcourt outdoor
| ITF Thailand F4 | 2017/08/01 06:00 | Issei Okamura v Calum Puttergill | 5-7,6-0,4-6 |
| ITF China F14 | 2017/07/28 03:00 | Nikola Milojevic v Issei Okamura | 6-2,6-1 |
| ITF China F14 | 2017/07/26 02:00 | Francis Casey Alcantara v Issei Okamura | 6-4,5-7,2-6 |
| ITF China F14 | 2017/07/24 08:15 | Issei Okamura v Kento Takeuchi | 6-2,6-2 |
| ITF China F13 | 2017/07/18 07:05 | Jui-Chen Hung v Issei Okamura | 6-4,6-2 |
| ITF Guam F1 | 2017/06/21 02:30 | Takao Suzuki v Issei Okamura | 7-5,6-4 |
| ITF Japan F8 | 2017/06/13 01:30 | Shunrou Takeshima v Issei Okamura | 6-3,7-5 |
| ITF Japan F7 | 2017/06/07 03:35 | Issei Okamura v Haru Inoue | 6-7,2-6 |
| ITF Thailand F4 | 2017/08/02 04:05 | Shunrou Takeshima v Jacob Grills | 6-4,6-3 |
| ITF Thailand F4 | 2017/08/01 04:40 | David Agung Susanto v Jacob Grills | 1-6,2-6 |
| ITF Hong Kong F3 | 2017/07/08 01:30 | Jacob Grills v Shintaro Imai | 6-7,3-6 |
| ITF Hong Kong F3 | 2017/07/07 02:30 | Jacob Grills v Nicholas S. Hu | 6-3,6-2 |
| ITF Hong Kong F3 | 2017/07/06 02:30 | Takuto Niki v Jacob Grills | 3-6,7-5,3-6 |
| ITF Hong Kong F3 | 2017/07/05 06:25 | Jacob Grills v Jumpei Yamasaki | 6-2,4-6,6-0 |
| ITF Hong Kong F3 | 2017/07/04 02:00 | Shinta Fujii v Jacob Grills | 5-7,3-6 |
| ITF Hong Kong F2 | 2017/07/01 01:30 | Jacob Grills v Yuki Mochizuki | 5-7,1-6 |