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