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 |
| Davis Cup | 2015/09/18 03:00 | Warit Sornbutnark v Ze Zhang | 1-6,0-6,0-6 |
| ITF Thailand F9 | 2015/06/24 05:00 | Shuichi Sekiguchi v Warit Sornbutnark | 6-4,6-3 |
| ITF Thailand F9 | 2015/06/23 05:40 | Warit Sornbutnark v Chayanon Kaewsuto | 7-6,6-3 |
| ITF Thailand F9 | 2015/06/17 03:30 | Jung-Woong Na v Warit Sornbutnark | 6-2,6-3 |
| ITF Thailand F9 | 2015/06/16 05:40 | Warit Sornbutnark v Ahmed Deedat Abdul Razak | 4-6,6-3,6-2 |
| ITF Thailand F9 | 2015/05/05 07:15 | Warit Sornbutnark v Pruchya Isarow | 4-6,6-4,2-6 |
| ITF Thailand F9 | 2015/04/30 03:00 | Christopher O'Connell v Warit Sornbutnark | 6-1,6-1 |
| ITF Thailand F9 | 2015/04/29 04:55 | Warit Sornbutnark v Arata Onozawa | 6-3,6-2 |