Stadium: Court 11 Round: 54 Ground: Hardcourt outdoor
| ITF Women Yeongwol | 2018/09/05 01:00 | Jeongyun Lee v Hwiwon Wi | 5-7,5-7 |
| ITF Women Yeongwol | 2018/08/29 03:35 | Yuka Hosoki v Jeongyun Lee | 2-6,6-7 |
| ITF Women Gimcheon | 2018/08/21 01:00 | Dabin Oh v Jeongyun Lee | 6-4,6-3 |
| ITF Women Gimcheon | 2018/08/20 01:00 | Jeongyun Lee v Seo Yeon Park | 6-2,6-2 |
| ITF Women Daegu Qual | 2018/06/17 01:00 | Hyojung Yea v Jeongyun Lee | 6-2,6-1 |
| ITF Women Gyeongsan Qual | 2018/06/10 03:30 | Satsuki Koike v Jeongyun Lee | 7-6,6-1 |
| ITF Women Goyang Qual | 2018/05/07 00:30 | Mi Jeong Kwon v Jeongyun Lee | 4-6,0-6 |
| ITF Women Yeongwol | 2017/09/07 02:25 | So-Ra Lee v Jeongyun Lee | 6-3,6-4 |
| ITF W25 Karuizawa | 2019/05/20 01:00 | Asuka Yoshida v Suzuho Oshino | 6-0,0-6,10-3 |
| ITF W25 Osaka | 2019/04/08 01:00 | Suzuho Oshino v Marina Yudanov | 2-6,4-6 |
| ITF Women Makinohara | 2018/10/10 04:15 | Suzuho Oshino v Erina Hayashi | 1-6,3-6 |
| ITF Women Makinohara | 2018/10/08 03:25 | Kotomi Takahata v Suzuho Oshino | 4-6,2-6 |
| ITF Women Makinohara | 2018/10/07 03:00 | Haine Ogata v Suzuho Oshino | 6-1,3-6,2-6 |
| ITF Women Jakarta | 2018/07/19 03:00 | Suzuho Oshino v Ayaka Okuno | 3-6,4-6 |
| ITF Women Jakarta | 2018/07/18 03:00 | Chihiro Takayama v Suzuho Oshino | 7-6,3-6,2-6 |
| ITF Women Solo | 2018/07/11 02:30 | Suzuho Oshino v Ayaka Okuno | 6-7,4-6 |