| ITF Women Sangju | 2018/06/06 01:00 | Ayaka Okuno v Hyojung Yea | 6-3,6-3 |
| ITF Women Karuizawa | 2018/05/24 03:55 | Ayaka Okuno v Abbie Myers | 2-6,3-6 |
| ITF Women Karuizawa | 2018/05/23 01:00 | Anastasia E Nefedova v Ayaka Okuno | 7-6,3-6,4-6 |
| ITF Women Kurume Qual | 2018/05/13 00:30 | Sakura Hondo v Ayaka Okuno | 6-7,6-4,7-6 |
| ITF Women Fukuoka Qual | 2018/05/06 07:05 | Akari Inoue v Ayaka Okuno | 6-1,6-4 |
| ITF Women Gifu Qual | 2018/04/29 03:10 | Mai Hontama v Ayaka Okuno | 5-7,7-6,6-2 |
| ITF Women Quanzhou Qual | 2018/04/21 05:45 | Ao Gai v Ayaka Okuno | 6-3,6-4 |
| ITF Women Kashiwa Qual | 2018/04/01 03:00 | Ayaka Okuno v Shiho Akita | 1-6,0-6 |
| ITF Women Sangju | 2018/06/06 05:15 | Subin Park v Se-Hyun Kim | 1-6,6-3,6-2 |
| ITF Women Sangju Qual | 2018/06/03 01:00 | Sumin Kim v Subin Park | 1-6,0-6 |
| ITF Women Changwon Qual | 2018/05/21 03:30 | Chang Liu v Subin Park | 6-1,4-6,6-3 |
| ITF Women Changwon Qual | 2018/05/20 03:30 | Seonghee Cheon v Subin Park | 1-6,0-6 |
| ITF Women Incheon Qual | 2018/05/13 03:30 | Subin Park v Chin-Wei Chan | 2-6,2-6 |
| ITF Women Yeongwol | 2017/09/05 01:00 | You-Na Sul v Subin Park | 7-6,7-6 |
| ITF Women Yeongwol | 2017/09/03 01:00 | Subin Park v Hyeseo Shin | 6-3,6-0 |
| ITF Women Yeongwol | 2017/08/30 01:00 | Hoyeon Nor v Subin Park | 7-6,6-3 |