Round: 27 Ground: Hardcourt outdoor
| ITF China F12 | 2015/08/04 01:30 | Onozawa, Arata v Qiu, Zhuoyang | 6-4,6-0 |
| ITF Japan F8 | 2015/06/26 03:35 | Yasutaka Uchiyama v Onozawa, Arata | 6-4,6-4 |
| ITF Japan F8 | 2015/06/25 02:50 | Moon, Ju-Hae v Onozawa, Arata | 2-6,0-6 |
| ITF Japan F8 | 2015/06/24 01:10 | Ono, Masayoshi v Onozawa, Arata | 2-6,2-6 |
| ITF Japan F7 | 2015/06/19 03:00 | Onozawa, Arata v Jumpei Yamasaki | 6-2,4-6,0-6 |
| ITF Japan F7 | 2015/06/18 00:30 | Onozawa, Arata v Renta Tokuda | 6-4,6-2 |
| ITF Japan F7 | 2015/06/16 02:15 | Onozawa, Arata v Watanuki, Keisuke | 7-6,0-6,6-3 |
| ITF Japan F5 | 2015/06/02 01:00 | Makoto Ochi v Onozawa, Arata | 3-6,6-2,6-4 |
| ITF China F12 | 2015/08/06 08:00 | Cao, Zhaoyi v Gong, Xiao | 7-5,3-6,6-3 |
| ITF China F12 | 2015/08/04 01:30 | Yi, Chu-Huan v Cao, Zhaoyi | 3-6,6-7 |
| ITF China F8 | 2015/06/25 02:00 | Yan Bai v Cao, Zhaoyi | 6-0,2-6,7-6 |
| ITF China F6 | 2015/06/03 02:00 | Zheng, Weiqiang v Cao, Zhaoyi | 6-3,6-3 |
| ITF China F6 | 2015/06/02 02:00 | Li, Jianhui v Cao, Zhaoyi | 2-6,6-4,6-7 |
| ITF China F6 | 2015/05/28 02:00 | Cao, Zhaoyi v Wu, Di | 1-6,3-6 |
| ITF China F6 | 2015/05/26 07:40 | Huang, Jia Qi v Cao, Zhaoyi | 1-6,4-6 |
| ITF China F6 | 2015/05/21 02:00 | Huang, Liang-Chi v Cao, Zhaoyi | 6-0,7-5 |