Stadium: Court 1 Round: 46 Ground: Hardcourt outdoor
| 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 |
| Challenger Yokohama Qual | 2017/02/25 06:25 | Hiroyasu Ehara v Masamichi Imamura | 6-3,6-4 |
| ITF Egypt F4 | 2017/02/10 12:30 | Youssef Hossam v Hiroyasu Ehara | 6-4,6-2 |
| ITF Egypt F4 | 2017/02/09 09:30 | Olexiy Kolisnyk v Hiroyasu Ehara | 2-6,1-6 |
| ITF Egypt F4 | 2017/02/08 11:55 | Hiroyasu Ehara v Markus Eriksson | 6-3,6-4 |
| ITF Egypt F4 | 2017/02/06 08:00 | Hiroyasu Ehara v Keisuke Numajiri | 6-0,6-3 |
| ITF Egypt F4 | 2017/02/05 08:00 | Hiroyasu Ehara v Joshua Luck | 6-3,7-5 |
| ITF Egypt F4 | 2017/02/04 07:00 | Hiroyasu Ehara v Alexander Schager | 6-0,6-1 |
| ITF Egypt F3 | 2017/02/02 09:10 | Hiroyasu Ehara v Pablo Vivero Gonzalez | 0-6,3-6 |
| Challenger Yokohama Qual | 2017/02/25 06:00 | Takuto Niki v Axel Michon | 6-2,2-6,7-5 |
| Challenger Kyoto Qual | 2017/02/19 03:20 | Alex Bolt v Takuto Niki | 6-4,6-7,6-2 |
| Challenger Kyoto Qual | 2017/02/18 05:25 | Yunseong Chung v Takuto Niki | 2-6,6-7 |
| Challenger Burnie | 2017/01/30 23:00 | Maverick Banes v Takuto Niki | 6-3,4-6,6-2 |
| ITF Hong Kong F1 | 2017/01/07 04:50 | Yan Bai v Takuto Niki | 6-1,6-4 |
| ITF Hong Kong F1 | 2017/01/06 02:00 | Geoffrey Blancaneaux v Takuto Niki | 4-6,3-6 |
| ITF Hong Kong F1 | 2017/01/05 02:00 | Ken Onishi v Takuto Niki | 4-6,1-6 |
| ITF Hong Kong F1 | 2017/01/04 02:00 | Hei Yin Andrew Li v Takuto Niki | 1-6,3-6 |