Round: 25 Ground: Hardcourt outdoor
| ITF China F6 | 2015/05/28 02:00 | Xin Gao v Takuto Niki | 6-2,7-6 |
| ITF Australia F9 | 2015/10/22 00:00 | Benjamin Mitchell v Xin Gao | 6-2,6-4 |
| ITF Australia F9 | 2015/10/21 00:00 | Xin Gao v Marc Polmans | 6-4,7-6 |
| ITF Australia F8 | 2015/10/16 02:05 | Xin Gao v Robin Stanek | 5-7,7-6,5-7 |
| ITF Australia F8 | 2015/10/15 03:15 | Jacob Grills v Xin Gao | 5-7,7-6,3-6 |
| ITF Australia F8 | 2015/10/14 03:30 | Xi Qi v Xin Gao | 6-7,2-6 |
| ITF Australia F7 | 2015/10/06 01:40 | Christopher O'Connell v Xin Gao | 6-4,6-4 |
| ITF Australia F6 | 2015/09/30 02:00 | Dayne Kelly v Xin Gao | 6-4,6-3 |
| ITF Australia F6 | 2015/09/28 00:30 | Xin Gao v Yuqing Ning | 7-6,6-2 |
| Challenger Kaohsiung | 2015/09/23 08:05 | Takuto Niki v Hyeon Chung | 2-6,4-6 |
| Challenger Kaohsiung | 2015/09/22 08:10 | Jui-Chen Hung v Takuto Niki | 2-6,2-6 |
| Challenger Aptos | 2015/08/11 17:00 | Kyle Edmund v Takuto Niki | 6-1,6-2 |
| Challenger Aptos Qual | 2015/08/10 19:40 | Tennys Sandgren v Takuto Niki | 6-3,7-5 |
| ATP Washington Qual | 2015/08/01 15:50 | Sekou Bangoura v Takuto Niki | 3-6,7-6,6-7 |
| ITF Japan F8 | 2015/06/25 01:00 | Renta Tokuda v Takuto Niki | 2-6,7-6,6-3 |
| ITF Japan F8 | 2015/06/24 03:45 | Woong-Sun Jun v Takuto Niki | 2-6,6-2,4-6 |
| ITF Japan F6 | 2015/06/13 01:30 | Takuto Niki v Toshihide Matsui | 3-6,2-6 |