Estádio: COURT B Round: 27 Ground: Synthetic outdoor
| ITF - Quioto - Feminino | 2018/09/05 06:00 | Michika Ozeki v Ayumi Miyamoto | 6-1,6-2 |
| ITF - Karuizawa - Feminino | 2018/05/22 01:00 | Ayumi Miyamoto v Michika Ozeki | 6-1,6-1 |
| ITF - Makinohara - Feminino | 2018/10/11 00:30 | Mai Hontama v Ayumi Miyamoto | 6-7,4-6 |
| ITF - Makinohara - Feminino | 2018/10/08 03:00 | Ayumi Miyamoto v Akari Inoue | 6-2,6-4 |
| ITF - Makinohara - Feminino | 2018/10/07 03:00 | Ayumi Miyamoto v Mayuka Aikawa | 6-4,6-0 |
| ITF - Quioto - Feminino | 2018/09/05 06:00 | Michika Ozeki v Ayumi Miyamoto | 6-1,6-2 |
| ITF - Quioto - Feminino | 2018/09/04 10:15 | Jia Qi Ren v Ayumi Miyamoto | 4-6,4-6 |
| ITF - Nanao - Feminino | 2018/08/26 05:00 | Misa Okawa v Ayumi Miyamoto | 7-6,5-7,6-2 |
| ITF - Tsukuba - Feminino | 2018/08/19 03:00 | Haruna Arakawa v Ayumi Miyamoto | 4-6,6-4,6-1 |
| ITF - Kofu - Feminino | 2018/06/14 01:00 | Ayumi Miyamoto v Kai-Chen Chang | 3-6,7-5,4-6 |
| ITF - Makinohara - Feminino | 2018/10/11 00:30 | Ayumi Koshiishi v Michika Ozeki | 2-6,0-6 |
| ITF - Makinohara - Feminino | 2018/10/10 00:30 | Michika Ozeki v Emily Appleton | 6-3,6-3 |
| ITF - Quioto - Feminino | 2018/09/07 03:30 | Haruna Arakawa v Michika Ozeki | 6-3,6-3 |
| ITF - Quioto - Feminino | 2018/09/06 01:00 | Michika Ozeki v Chie Kezuka | 6-0,6-4 |
| ITF - Quioto - Feminino | 2018/09/05 06:00 | Michika Ozeki v Ayumi Miyamoto | 6-1,6-2 |
| ITF - Quioto - Feminino | 2018/09/04 04:45 | Michika Ozeki v Ayaka Ozeki | 6-2,6-1 |
| ITF - Nanao - Feminino | 2018/08/28 03:00 | Himeno Sakatsume v Michika Ozeki | 6-2,6-7,6-4 |
| ITF - Tsukuba - Feminino | 2018/08/22 00:30 | Chihiro Muramatsu v Michika Ozeki | 6-1,6-2 |