Stadium: Court 11 Round: 27 Ground: Synthetic outdoor
| ITF Women Karuizawa | 2018/05/24 02:40 | Miyabi Inoue v Ari Matsumoto | 6-4,6-2 |
| ITF Women Karuizawa | 2018/05/23 01:00 | Miyabi Inoue v Eri Shimizu | 6-2,6-4 |
| ITF Women Fukuoka | 2018/05/09 05:45 | Olivia Tjandramulia v Miyabi Inoue | 7-6,6-4 |
| ITF Women Gifu | 2018/05/03 02:00 | Momoko Kobori v Miyabi Inoue | 6-3,6-3 |
| ITF Women Gifu | 2018/05/01 02:45 | Miyabi Inoue v Lin Zhu | 6-4,6-1 |
| ITF Women Quanzhou Qual | 2018/04/23 02:00 | Miyabi Inoue v Wushuang Zheng | 3-6,6-3,2-6 |
| ITF Women Quanzhou Qual | 2018/04/22 06:05 | Miyabi Inoue v Ying Zhang | 6-1,6-1 |
| ITF Women Osaka | 2018/04/11 01:00 | Miyabi Inoue v Ya-Hsuan Lee | 6-3,4-6,3-6 |
| ITF Women Karuizawa | 2018/05/24 04:15 | Ayumi Miyamoto v Sakura Hondo | 5-7,1-6 |
| ITF Women Karuizawa | 2018/05/24 01:15 | Sakura Hondo v Yue Yuan | 6-1,6-3 |
| ITF Women Karuizawa Qual | 2018/05/21 02:40 | Sakura Hondo v Reina Takahashi | 6-1,5-7,6-1 |
| ITF Women Karuizawa Qual | 2018/05/20 04:00 | Sakura Hondo v Lisa-Marie Rioux | 3-6,6-1,6-1 |
| ITF Women Kurume | 2018/05/16 01:00 | Haruka Kaji v Sakura Hondo | 6-3,6-3 |
| ITF Women Kurume Qual | 2018/05/15 01:00 | Sakura Hondo v Michika Ozeki | 0-6,6-3,6-2 |
| ITF Women Kurume Qual | 2018/05/14 01:00 | Yukina Saigo v Sakura Hondo | 3-6,6-4,5-7 |
| ITF Women Kurume Qual | 2018/05/13 00:30 | Sakura Hondo v Ayaka Okuno | 6-7,6-4,7-6 |