Round: 44 Ground: Hardcourt outdoor
| Challenger Granby | 2015/07/23 15:00 | Shuichi Sekiguchi v Matteo Donati | 4-6,1-6 |
| ITF Thailand F9 | 2015/06/27 03:00 | Christopher Rungkat v Shuichi Sekiguchi | 6-4,6-3 |
| ITF Thailand F9 | 2015/06/26 03:00 | Shuichi Sekiguchi v Jung-Woong Na | 6-4,6-3 |
| ITF Thailand F9 | 2015/06/25 03:00 | Shuichi Sekiguchi v Karunuday Singh | 6-0,6-2 |
| ITF Thailand F9 | 2015/06/24 05:00 | Shuichi Sekiguchi v Warit Sornbutnark | 6-4,6-3 |
| ITF Thailand F9 | 2015/06/22 04:15 | Shuichi Sekiguchi v Woo-Ram Kim | 6-2,3-6,6-1 |
| ITF Thailand F9 | 2015/06/20 03:00 | Kento Takeuchi v Shuichi Sekiguchi | 1-6,2-6 |
| ITF Thailand F9 | 2015/06/19 03:00 | Toshihide Matsui v Shuichi Sekiguchi | 4-6,4-6 |
| ITF Chinese Taipei F1 | 2015/08/27 02:00 | Chu-Huan Yi v Ryota Tanuma | 7-6,3-6,6-1 |
| ITF Chinese Taipei F1 | 2015/08/25 02:00 | Chu-Huan Yi v Wishaya Trongcharoenchaikul | 4-6,6-3,6-2 |
| ITF Chinese Taipei F1 | 2015/08/18 04:50 | Chu-Huan Yi v Chien Hsun Lo | 6-4,5-7,7-6 |
| ITF China F13 | 2015/08/11 04:30 | Yecong He v Chu-Huan Yi | 6-4,3-6,7-6 |
| ITF China F12 | 2015/08/04 01:30 | Chu-Huan Yi v Zhaoyi Cao | 3-6,6-7 |
| ITF Hong Kong F3 | 2015/06/26 02:00 | Liang-Chi Huang v Chu-Huan Yi | 6-1,6-4 |
| ITF Hong Kong F3 | 2015/06/25 07:50 | Shao-Fan Liu v Chu-Huan Yi | 4-6,3-6 |
| ITF Hong Kong F3 | 2015/06/24 05:00 | Wei-De Lin v Chu-Huan Yi | 3-6,1-6 |