Stadium: Court A1 Round: 25 Ground: Synthetic outdoor
| ITF Women Changwon | 2018/05/24 02:40 | Ayumi Koshiishi v Ya-Hsuan Lee | 4-6,3-6 |
| ITF Women Changwon | 2018/05/23 04:25 | Ayumi Koshiishi v Dabin Kim | 6-1,6-3 |
| ITF Women Changwon Qual | 2018/05/22 04:05 | Chang Liu v Ayumi Koshiishi | 1-6,3-6 |
| ITF Women Incheon | 2018/05/16 01:30 | Na-Lae Han v Ayumi Koshiishi | 6-1,6-7,6-2 |
| ITF Women Incheon Qual | 2018/05/15 02:40 | Ayumi Koshiishi v Eunhye Lee | 6-3,3-6,6-1 |
| ITF Women Incheon Qual | 2018/05/14 03:30 | Ayumi Koshiishi v Seo-Kyung Kang | 6-0,6-2 |
| ITF Women Incheon Qual | 2018/05/13 03:30 | Freya Christie v Ayumi Koshiishi | 4-6,2-6 |
| ITF Women Goyang | 2018/05/09 04:55 | Ayumi Koshiishi v So-Ra Lee | 6-7,3-6 |
| ITF Women Kurume Qual | 2018/05/13 09:35 | Chihiro Takayama v Tori Kinard | 2-6,7-5,6-3 |
| WTA Newport Beach Qual | 2018/01/20 21:35 | Marie Bouzkova v Tori Kinard | 6-0,6-0 |
| ITF Women Toyota Qual | 2017/11/12 07:15 | Tori Kinard v Michika Ozeki | 4-6,3-6 |
| ITF Women Toyota Qual | 2017/11/12 00:30 | Miyabi Inoue v Tori Kinard | 6-2,6-7,3-6 |
| ITF Women Tokyo | 2017/11/09 01:30 | Tori Kinard v Georgia Brescia | 3-6,4-6 |
| ITF Women Tokyo | 2017/11/08 04:00 | Tori Kinard v Riko Sawayanagi | 7-6,6-4 |
| ITF Women Tokyo Qual | 2017/11/06 01:00 | Sunam Jeong v Tori Kinard | 6-3,4-6,3-6 |
| ITF Women Tokyo Qual | 2017/11/05 01:00 | Eri Shimizu v Tori Kinard | 6-7,1-6 |