Stadium: Court 3 Round: 26
| ITF Women Osaka WD | 2018/04/11 02:30 | Gumulya B / Okuno A v Kaji H / Kajitani R | 6-1,1-6,12-10 |
| ITF Women Gyeongsan WD | 2018/06/12 07:05 | Liu M / Liu S Q v Kitagawa R / Lee S | 6-2,6-2 |
| ITF Women Sangju WD | 2018/06/07 04:00 | Boualem J / Chang H v Kitagawa R / Lee S | 6-3,6-1 |
| ITF Women Sangju WD | 2018/06/05 06:50 | Kitagawa R / Lee S v Han S-H / Inoue A | 7-5,6-3 |