| ITF China F6 | 2015/05/26 06:55 | Ren Nakamura v Gao, Xin | 1-6,1-6 |
| ITF China F6 | 2015/05/22 02:00 | Gao, Xin v Ning, Yuqing | 7-5,4-6,1-6 |
| ITF China F6 | 2015/05/20 02:00 | Qiu, Zhuoyang v Gao, Xin | 2-6,0-6 |
| ITF China F6 | 2015/05/19 04:35 | Gao, Xin v Wang, Ruixuan | 6-3,6-1 |
| ITF China F4 | 2015/04/20 04:55 | Yan Bai v Gao, Xin | 6-4,7-6 |
| ITF China F2 Qual | 2015/04/14 02:00 | Gao, Xin v Yunseong Chung | 6-3,4-6,3-6 |
| ITF China F2 | 2015/04/07 05:00 | Gao, Xin v Yunseong Chung | 6-4,3-6,1-6 |
| ITF Japan F4 | 2015/03/31 03:50 | Katayama, Sho v Gao, Xin | 6-2,6-1 |
| ITF China F6 | 2015/05/26 07:25 | Gong, Xiao v Niki, Takuto | 2-6,2-6 |
| ITF Japan F4 | 2015/04/04 01:30 | Yasutaka Uchiyama v Niki, Takuto | 6-1,6-2 |
| ITF Japan F4 | 2015/04/03 01:30 | Zhe Li v Niki, Takuto | 2-6,2-6 |
| ITF Japan F4 | 2015/04/02 03:15 | Lim, Yong-Kyu v Niki, Takuto | 2-6,2-6 |
| ITF Japan F4 | 2015/04/01 03:20 | Ito, Yuichi v Niki, Takuto | 1-6,4-6 |
| ITF Japan F4 | 2015/03/31 01:00 | Saito, Takashi v Niki, Takuto | 5-7,7-5,3-6 |
| ITF Japan F3 | 2015/03/27 02:25 | Lim, Yong-Kyu v Niki, Takuto | 7-6,7-5 |
| ITF Japan F3 | 2015/03/26 03:45 | Ehara, Hiroyasu v Niki, Takuto | 6-4,3-6,3-6 |