Round: 28 Ground: Hardcourt outdoor
| Challenger Yokohama Qual | 2017/02/26 03:20 | Hiroyasu Ehara v Takuto Niki | 7-6,1-6,3-6 |
| ITF Japan F3 | 2015/03/26 03:45 | Hiroyasu Ehara v Takuto Niki | 6-4,3-6,3-6 |
| ITF Japan F2 | 2015/03/21 03:20 | Takuto Niki v Hiroyasu Ehara | 6-3,6-7,6-2 |