Round: 25 Ground: Hardcourt outdoor
| ITF Chinese Taipei F1 | 2015/08/27 02:00 | Issei Okamura v Yan Bai | 2-6,1-6 |
| ITF Chinese Taipei F1 | 2015/08/25 02:00 | Issei Okamura v Shao-Fan Liu | 6-3,6-4 |
| ITF Chinese Taipei F1 | 2015/08/22 02:00 | Tsung-Hua Yang v Issei Okamura | 6-0,6-1 |
| ITF Chinese Taipei F1 | 2015/08/21 02:00 | Issei Okamura v Ryota Tanuma | 6-4,3-6,6-3 |
| ITF Chinese Taipei F1 | 2015/08/20 03:30 | Masato Shiga v Issei Okamura | 4-6,4-6 |
| ITF Thailand F9 | 2015/08/11 08:20 | Daniel Hobart v Issei Okamura | 6-2,6-4 |
| ITF Thailand F9 | 2015/08/09 05:35 | Roy Hobbs v Issei Okamura | 2-6,1-6 |
| ITF Thailand F9 | 2015/08/06 03:00 | Issei Okamura v Vishnu Vardhan | 3-6,4-6 |
| ITF Turkey F25 | 2014/07/13 11:00 | Mert Zincirli v Altug Celikbilek | 3-6,3-6 |