Stadium: Court 14 Round: 26 Ground: Synthetic outdoor
| 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 Kashiwa Qual | 2018/04/02 01:00 | Miyabi Inoue v Abigail Tere-Apisah | 2-6,2-6 |
| ITF Women Karuizawa | 2018/05/22 02:35 | Chisa Hosonuma v Ari Matsumoto | 5-7,2-6 |
| ITF Women Karuizawa Qual | 2018/05/21 01:00 | Alexandra Riley v Ari Matsumoto | 0-6,4-6 |
| ITF Women Kurume | 2018/05/16 01:00 | Rika Fujiwara v Ari Matsumoto | 3-6,6-3,6-4 |
| ITF Women Kurume Qual | 2018/05/15 01:00 | Yuki Kristina Chiang v Ari Matsumoto | 0-6,0-6 |
| ITF Women Kurume Qual | 2018/05/14 02:30 | Ari Matsumoto v Chihiro Takayama | 1-6,6-3,6-2 |
| ITF Women Kurume Qual | 2018/05/13 08:25 | Ari Matsumoto v Nao Itoyama | 6-0,6-0 |
| ITF Women Osaka Qual | 2018/04/08 03:30 | Ari Matsumoto v Ramu Ueda | 3-6,6-7 |
| ITF Women Kashiwa | 2018/04/03 03:10 | Yuxuan Zhang v Ari Matsumoto | 6-3,6-4 |