Stadium: Court 3 Round: 26 Ground: Hardcourt outdoor
| ITF Women Kurume WD | 2018/05/18 06:30 | Broady N / Muhammad A v Kobori M / Kuwata H | 6-3,6-4 |
| ITF Women Kurume WD | 2018/05/17 05:00 | Kobori M / Kuwata H v Eguchi M / Yoshitomi A | 4-6,6-4,10-8 |
| ITF Women Kurume WD | 2018/05/16 04:35 | Kobori M / Kuwata H v Muramatsu C / Tjandramulia O | 1-6,7-6,10-4 |
| ITF Women Fukuoka WD | 2018/05/10 05:10 | Kobori M / Kuwata H v Kaji H / Shimizu A | 3-6,4-6 |
| ITF Women Gifu WD | 2018/05/03 06:30 | Fujiwara R / Naito Y v Kobori M / Kuwata H | 6-2,7-5 |
| ITF Women Gifu WD | 2018/05/01 05:50 | Takoi S / Ukai Y v Kobori M / Kuwata H | 2-6,2-6 |