Ground: Hardcourt outdoor
| ITF Thailand F9 | 2015/06/18 03:00 | Akira Santillan v Toshihide Matsui | 7-6,5-7,5-7 |
| ITF Thailand F9 | 2015/06/17 03:30 | Congsup Congcar v Toshihide Matsui | 1-6,4-6 |
| ITF Thailand F9 | 2015/06/16 05:00 | Vorachon Rakpuangchon v Toshihide Matsui | 3-6,4-6 |
| ITF Japan F6 | 2015/06/14 03:00 | Toshihide Matsui v Duckhee Lee | 4-6,2-6 |
| ITF Japan F6 | 2015/06/13 01:30 | Takuto Niki v Toshihide Matsui | 3-6,2-6 |
| ITF Japan F6 | 2015/06/12 05:30 | Yuya Kibi v Toshihide Matsui | 3-6,2-6 |
| ITF Japan F6 | 2015/06/11 01:00 | Masayoshi Ono v Toshihide Matsui | 5-7,0-6 |
| ITF Japan F6 | 2015/06/10 02:20 | Sho Katayama v Toshihide Matsui | 7-5,3-6,4-6 |
| ITF Thailand F9 | 2015/06/17 03:30 | Ken Onishi v Shuichi Sekiguchi | 3-6,3-6 |
| ITF Thailand F9 | 2015/06/16 08:10 | Punn Bodhidatta v Shuichi Sekiguchi | 2-6,1-6 |
| ITF Japan F6 | 2015/06/10 03:10 | Masaki Sasai v Shuichi Sekiguchi | 7-6,7-5 |
| ITF Indonesia F3 | 2015/04/15 03:00 | Shuichi Sekiguchi v Finn Tearney | 6-7,6-3,6-7 |
| ITF Indonesia F2 | 2015/04/11 04:00 | Finn Tearney v Shuichi Sekiguchi | 0-6,1-6 |
| ITF Indonesia F2 | 2015/04/10 06:30 | Jeson Patrombon v Shuichi Sekiguchi | 2-6,0-6 |
| ITF Indonesia F2 | 2015/04/08 07:40 | Aaron Cortes Alcaraz v Shuichi Sekiguchi | 2-6,2-6 |
| ITF Japan F4 | 2015/04/02 01:00 | Zhe Li v Shuichi Sekiguchi | 6-4,2-6,6-2 |