Round: 27 Ground: Hardcourt outdoor
| ITF China F13 | 2015/08/13 02:00 | Kibi, Yuya v Onozawa, Arata | 6-1,1-6,2-6 |
| ITF China F13 | 2015/08/12 02:00 | Onozawa, Arata v Hadavi, Shawn H | 6-3,6-0 |
| ITF China F12 | 2015/08/09 07:00 | Onozawa, Arata v Yan Bai | 2-6,3-6 |
| ITF China F12 | 2015/08/08 03:05 | Onozawa, Arata v Duckhee Lee | 6-2,0-6,6-4 |
| ITF China F12 | 2015/08/07 07:00 | Onozawa, Arata v Cao, Zhaoyi | 6-0,6-2 |
| 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 China F13 | 2015/08/13 01:30 | Katayama, Sho v Yang, Tsung-Hua | 3-6,5-7 |
| ITF China F12 | 2015/08/06 08:00 | Shiga, Masato v Yang, Tsung-Hua | 2-6,6-4,7-5 |
| ITF China F11 | 2015/07/24 02:00 | Yang, Tsung-Hua v He, Yecong | 7-6,6-7,5-7 |
| ITF China F11 | 2015/07/23 02:00 | Kim, Young Seok v Yang, Tsung-Hua | 1-6,2-6 |
| ITF China F11 | 2015/07/22 02:00 | Runhao Hua v Yang, Tsung-Hua | 6-7,3-6 |
| ITF China F11 | 2015/07/21 03:20 | Na, Jung-Woong v Yang, Tsung-Hua | 5-7,4-6 |
| Wimbledon Qual | 2015/06/22 16:55 | Yang, Tsung-Hua v Zhang, Ze | 1-6,5-7 |
| Challenger Perugia | 2015/06/19 16:00 | Volandri, Filippo v Yang, Tsung-Hua | 6-4,6-1 |