| ITF Japan F6 MD | 2018/04/14 01:00 | Kono/Sakai v Imai/Niki | 4-6,3-6 |
| ITF Japan F6 MD | 2018/04/13 05:10 | Fukuda/Shimizu v Imai/Niki | 5-7,6-3,7-10 |
| ITF Japan F6 MD | 2018/04/12 08:15 | Iino/Nakashima v Imai/Niki | 4-6,3-6 |
| ITF Japan F6 MD | 2018/04/11 06:10 | Sano/Yudate v Imai/Niki | 1-6,4-6 |
| ITF Japan F4 MD | 2018/03/27 06:20 | Imai/Niki v Gao/Wang | 7-6,3-6,7-10 |
| ITF Japan F3 MD | 2018/03/22 09:45 | Imai/Niki v Seol/Song | 3-6,3-6 |
| ITF Japan F3 MD | 2018/03/19 06:40 | Imai/Niki v Sasai/Sekiguchi | 6-4,6-3 |
| ITF Japan F2 MD | 2018/03/17 06:00 | Imai/Niki v Lee/Lim | 7-5,6-3 |