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