Stadium: Court 14 Round: 26 Ground: Synthetic outdoor
| Karuizawa, Singles W-WITF-JPN-10A | 2018/05/23 01:00 | Inoue, Miyabi v Eri Shimizu | 6-2,6-4 |
| ITF Women Fukuoka | 2018/05/09 05:45 | Olivia Tjandramulia v Inoue, Miyabi | 7-6,6-4 |
| ITF Women Gifu | 2018/05/03 02:00 | Momoko Kobori v Inoue, Miyabi | 6-3,6-3 |
| ITF Women Gifu | 2018/05/01 02:45 | Inoue, Miyabi v Lin Zhu | 6-4,6-1 |
| Quanzhou, Qualifications Simples W-WITF-CHN-04B | 2018/04/23 02:00 | Inoue, Miyabi v Wushuang Zheng | 3-6,6-3,2-6 |
| Quanzhou, Qualifications Simples W-WITF-CHN-04B | 2018/04/22 06:05 | Inoue, Miyabi v Ying Zhang | 6-1,6-1 |
| ITF Women Osaka | 2018/04/11 01:00 | Inoue, Miyabi v Ya-Hsuan Lee | 6-3,4-6,3-6 |
| ITF Women Kashiwa Qual | 2018/04/02 01:00 | Inoue, Miyabi v Tere-Apisah, Abigail | 2-6,2-6 |
| Karuizawa, Singles W-WITF-JPN-10A | 2018/05/22 02:35 | Hosonuma, Chisa v Matsumoto, Ari | 5-7,2-6 |
| ITF Women Karuizawa Qual | 2018/05/21 01:00 | Riley, Alexandra v Matsumoto, Ari | 0-6,4-6 |
| ITF Women Kurume | 2018/05/16 01:00 | Fujiwara, Rika v Matsumoto, Ari | 3-6,6-3,6-4 |
| ITF Women Kurume Qual | 2018/05/15 01:00 | Chiang, Yuki Kristina v Matsumoto, Ari | 0-6,0-6 |
| ITF Women Kurume Qual | 2018/05/14 02:30 | Matsumoto, Ari v Takayama, Chihiro | 1-6,6-3,6-2 |
| ITF Women Kurume Qual | 2018/05/13 08:25 | Matsumoto, Ari v Itoyama, Nao | 6-0,6-0 |
| ITF Women Osaka Qual | 2018/04/08 03:30 | Matsumoto, Ari v Ueda, Ramu | 3-6,6-7 |
| ITF Women Kashiwa | 2018/04/03 03:10 | Zhang, Yuxuan v Matsumoto, Ari | 6-3,6-4 |