Stadium: Indoor 6 Round: 28 Ground: Hardcourt outdoor
| ITF Japan F1 MD | 2018/03/08 09:35 | Imai/Niki v Kato/Yoshida | 6-2,6-1 |
| ITF Japan F1 MD | 2018/03/06 06:30 | Imai/Niki v Sakai/Tanaka | 7-6,6-2 |
| Challenger Yokohama Qual MD | 2018/02/25 04:00 | Imai/Niki v Kai/Nakamura | 4-6,3-5 |
| ITF Hong Kong F6 MD | 2018/01/05 05:50 | Imai/Niki v Sakai/Tanaka | 6-2,3-6,4-10 |
| ITF Hong Kong F6 MD | 2018/01/04 07:15 | Imai/Niki v Bessire/Viola | 6-2,6-3 |
| ITF Hong Kong F6 MD | 2018/01/03 05:50 | Imai/Niki v Lim/Noguchi | 4-6,6-0,11-9 |
| ITF Hong Kong F6 MD | 2018/01/01 06:25 | Imai/Niki v Saito/Yamasaki | 6-3,6-2 |
| Challenger Toyota MD | 2017/11/15 08:10 | Imai/Niki v Matsui/Yi | 7-6,4-6,4-10 |
| ITF Japan F1 MD | 2018/03/08 08:55 | Kibi/Onozawa v Kikuchi/Takeshima | 6-2,6-3 |
| ITF Japan F1 MD | 2018/03/06 07:45 | Kibi/Onozawa v Mochizuki/Shimabukuro | 6-4,6-1 |
| ITF China F12 MD | 2015/08/07 10:10 | Kibi/Onozawa v Hsieh/Yang | 3-6,5-7 |
| ITF China F12 MD | 2015/08/06 12:10 | Katayama/Sato v Kibi/Onozawa | 3-6,3-6 |