Stadium: Centre Court Round: 29
| ITF Hong Kong F6 MD | 2018/01/04 07:15 | Imai S / Niki T v Bessire F / Viola M | 6-2,6-3 |
| ITF Hong Kong F6 MD | 2018/01/03 05:50 | Imai S / Niki T v Lim A / Noguchi R | 4-6,6-0,11-9 |
| ITF Hong Kong F6 MD | 2018/01/01 06:25 | Imai S / Niki T v Saito T / Yamasaki J | 6-3,6-2 |
| Toyota, Japan, Doubles | 2017/11/15 08:10 | Imai S / Niki T v Matsui T / Yi C H | 7-6,4-6,4-10 |
| Toyota, Japan, Doubles | 2017/11/13 05:15 | Imai S / Niki T v Kimoto F / Watanuki Y | 7-6,6-7,10-8 |
| ITF Hong Kong F3 MD | 2017/07/07 09:20 | Imai S / Niki T v Wong H K / Yeung P L | 7-5,6-2 |
| ITF Hong Kong F3 MD | 2017/07/07 04:55 | Imai S / Niki T v Tang A J / Wong C H | 3-6,6-3,10-4 |
| ITF Hong Kong F3 MD | 2017/07/05 08:00 | Imai S / Niki T v Fujii S / Kawachi K | 6-1,6-2 |
| ITF Hong Kong F6 MD | 2018/01/04 07:15 | Murray J / Zhu M v Sakai Y / Tanaka Y | 6-2,4-6,5-10 |
| ITF Hong Kong F6 MD | 2018/01/03 05:50 | Sakai Y / Tanaka Y v Fukuda S / Moritani S | 6-4,7-6 |
| ITF Hong Kong F6 MD | 2018/01/01 03:25 | Sakai Y / Tanaka Y v Heliovaara H / Kwong M | 7-5,6-1 |
| ITF Japan F8 MD | 2017/06/17 04:00 | Sakai Y / Tanaka Y v Noguchi R / Shimizu Y | 6-3,6-2 |
| ITF Japan F8 MD | 2017/06/16 03:35 | Sakai Y / Tanaka Y v Kobayashi M / Mochizuki Y | 7-6,6-3 |
| ITF Japan F8 MD | 2017/06/15 04:50 | Sakai Y / Tanaka Y v Ito Y / Onoda K | 6-4,5-7,10-8 |
| ITF Japan F8 MD | 2017/06/14 06:40 | Nagao K / Oku H v Sakai Y / Tanaka Y | 4-6,2-6 |