Round: 27 Ground: Hardcourt outdoor
| ITF Japan F5 | 2015/06/02 01:00 | Makoto Ochi v Arata Onozawa | 3-6,6-2,6-4 |
| ITF China F6 | 2015/05/26 07:20 | Arata Onozawa v Peng-Xiang Gong | 6-0,6-2 |
| ITF China F6 | 2015/05/20 02:00 | Arata Onozawa v Xi Qi | 4-6,1-6 |
| ITF Thailand F9 | 2015/05/06 03:00 | Arata Onozawa v Phassawit Bura'ritta | 6-2,0-6,5-7 |
| ITF Thailand F9 | 2015/05/05 04:25 | Arata Onozawa v Makoto Ochi | 6-3,6-3 |
| ITF Thailand F9 | 2015/04/29 04:55 | Warit Sornbutnark v Arata Onozawa | 6-3,6-2 |
| ITF Thailand F9 | 2015/04/28 07:15 | Masato Shiga v Arata Onozawa | 3-6,6-7 |
| ITF Japan F4 | 2015/03/30 05:00 | Arata Onozawa v Shuichi Sekiguchi | 4-6,4-6 |
| ITF China F6 | 2015/06/03 02:00 | Weiqiang Zheng v Zhaoyi Cao | 6-3,6-3 |
| ITF China F6 | 2015/06/02 02:00 | Jianhui Li v Zhaoyi Cao | 2-6,6-4,6-7 |
| ITF China F6 | 2015/05/28 02:00 | Zhaoyi Cao v Di Wu | 1-6,3-6 |
| ITF China F6 | 2015/05/26 07:40 | Jia Qi Huang v Zhaoyi Cao | 1-6,4-6 |
| ITF China F6 | 2015/05/21 02:00 | Liang-Chi Huang v Zhaoyi Cao | 6-0,7-5 |
| ITF China F4 | 2015/04/24 02:00 | Zhaoyi Cao v Cheong-Eui Kim | 2-6,2-6 |
| ITF China F4 | 2015/04/23 02:00 | Liang-Chi Huang v Zhaoyi Cao | 1-6,6-1,6-7 |
| ITF China F4 | 2015/04/21 03:50 | Zhicheng Zhu v Zhaoyi Cao | 6-2,2-6,4-6 |