Stadium: I Round: 45 Ground: Hardcourt outdoor
| WTA Nanchang Qual | 2018/07/22 10:25 | Mai Minokoshi v Hiroko Kuwata | 2-6,1-6 |
| ITF Women Singapore | 2018/06/07 03:00 | Mai Minokoshi v Hiroko Kuwata | 1-6,1-6 |
| ITF Women Gatineau | 2017/07/17 14:00 | Hiroko Kuwata v Mai Minokoshi | 1-6,6-4,6-1 |