Ground: Hardcourt outdoor
| ITF Korea F1 | 2015/05/17 02:00 | Masato Shiga v Seungri Choi | 6-2,6-2 |
| ITF Thailand F9 | 2015/05/06 04:40 | Masato Shiga v Finn Tearney | 2-6,3-6 |
| ITF Thailand F9 | 2015/04/28 07:15 | Masato Shiga v Arata Onozawa | 3-6,6-7 |
| ITF Thailand F9 | 2015/04/20 04:45 | Masato Shiga v Warit Sornbutnark | 4-6,5-7 |
| ITF Japan F4 | 2015/03/31 01:00 | Masato Shiga v Ryota Tanuma | 6-3,4-6,2-6 |
| ITF Japan F3 | 2015/03/25 03:00 | Masato Shiga v Yuichi Ito | 3-6,6-3,5-7 |
| ITF Japan F2 | 2015/03/17 02:50 | Masato Shiga v Chu-Huan Yi | 1-6,2-6 |
| ITF Turkey F3 | 2015/01/27 08:00 | Masato Shiga v Lucas Miedler | 6-3,6-7,5-7 |
| ITF Korea F1 | 2015/05/17 02:00 | Seong-Gook Oh v Hyung-Chan Lim | 4-6,1-6 |
| ITF Korea F1 | 2015/05/16 01:00 | Hyung-Chan Lim v Jae Hwan Kim | 6-3,6-3 |