Round: 62 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 Serbia F6 | 2015/07/18 12:00 | Alessio Giannuzzi v Ryota Kishi | 6-2,6-3 |
| ITF Serbia F6 | 2015/07/12 08:00 | Antoine Bellier v Ryota Kishi | 7-5,3-6,6-1 |
| ITF Japan F8 | 2015/06/25 02:30 | Ryota Kishi v Makoto Ochi | 5-7,3-6 |
| ITF Japan F8 | 2015/06/23 01:00 | Ben Mclachlan v Ryota Kishi | 4-6,1-6 |
| ITF Japan F7 | 2015/06/17 03:40 | Ryota Kishi v Yuya Kibi | 3-6,1-6 |
| ITF Japan F6 Qual | 2015/06/08 01:00 | Ryota Kishi v Koichi Sano | 2-6,0-6 |
| ITF Japan F6 Qual | 2015/06/07 03:30 | Ryota Kishi v Shota Iino | 7-5,3-6,6-3 |
| ITF Japan F5 | 2015/06/01 01:00 | Ryota Kishi v Ren Nakamura | 6-3,6-4 |