Round: 26 Ground: Hardcourt outdoor
| ITF Japan F6 | 2015/06/13 01:30 | Takuto Niki v Toshihide Matsui | 3-6,2-6 |
| ITF Japan F6 | 2015/06/12 05:30 | Takuto Niki v Masaki Sasai | 6-2,6-1 |
| ITF Japan F6 | 2015/06/11 02:55 | Takuto Niki v Keisuke Watanuki | 6-7,7-6,6-4 |
| ITF China F6 | 2015/05/28 02:00 | Xin Gao v Takuto Niki | 6-2,7-6 |
| ITF China F6 | 2015/05/26 07:25 | Xiao Gong v Takuto Niki | 2-6,2-6 |
| ITF Japan F4 | 2015/04/04 01:30 | Yasutaka Uchiyama v Takuto Niki | 6-1,6-2 |
| ITF Japan F4 | 2015/04/03 01:30 | Zhe Li v Takuto Niki | 2-6,2-6 |
| ITF Japan F4 | 2015/04/02 03:15 | Yong-Kyu Lim v Takuto Niki | 2-6,2-6 |
| Challenger Savannah | 2015/04/26 18:30 | James McGee v Hyeon Chung | 3-6,2-6 |
| Challenger Savannah | 2015/04/25 20:30 | Hyeon Chung v Bjorn Fratangelo | 6-2,6-4 |
| Challenger Savannah | 2015/04/24 19:10 | Gastao Elias v Hyeon Chung | 2-6,4-6 |
| Challenger Savannah | 2015/04/21 19:40 | Takanyi Garanganga v Hyeon Chung | 7-6,3-6,1-6 |
| Challenger Sarasota | 2015/04/14 18:40 | Hyeon Chung v Horacio Zeballos | 3-6,2-6 |
| ATP Houston | 2015/04/09 23:00 | Hyeon Chung v Fernando Verdasco | 6-7,2-6 |
| ATP Houston | 2015/04/07 18:30 | Hyeon Chung v Facundo Arguello | 6-3,7-5 |
| Challenger Le Gosier | 2015/04/01 22:30 | Omar Jasika v Hyeon Chung | 6-3,2-6,6-4 |