Stadium: Court A Round: 62 Ground: Hardcourt outdoor
| ITF Women Incheon | 2018/05/18 02:00 | Na-Lae Han v Ji-Hee Choi | 6-3,6-4 |
| ITF Women Incheon | 2018/05/17 01:30 | Ji-Hee Choi v Ching-Wen Hsu | 6-0,6-3 |
| ITF Women Incheon | 2018/05/16 01:30 | Ji-Hee Choi v Alicia Barnett | 6-3,6-7,6-2 |
| ITF Women Goyang | 2018/05/13 01:00 | Ji-Hee Choi v En Shuo Liang | 3-6,5-7 |
| ITF Women Goyang | 2018/05/11 01:00 | So-Ra Lee v Ji-Hee Choi | 3-6,6-2,1-6 |
| ITF Women Goyang | 2018/05/10 01:00 | Sang Hee Park v Ji-Hee Choi | 3-6,3-6 |
| ITF Women Goyang | 2018/05/08 03:05 | Ji-Hee Choi v Kai-Chen Chang | 6-4,6-4 |
| ITF Women Osaka Qual | 2018/04/08 03:30 | Misa Eguchi v Ji-Hee Choi | 4-6,6-0,7-6 |
| ITF Women Changwon Qual | 2018/05/20 01:00 | Sakura Hosogi v Sol Hee Sim | 7-5,6-0 |
| ITF Women Hua Hin Qual | 2018/05/07 03:20 | Sakura Hosogi v Aunchisa Chanta | 7-5,3-6,2-6 |
| ITF Women Hua Hin Qual | 2018/05/06 04:00 | Zi Yi Wang v Sakura Hosogi | 4-6,1-6 |
| ITF Women Hua Hin Qual | 2018/05/05 02:30 | Niditra Rajmohan v Sakura Hosogi | 1-6,2-6 |
| ITF Women Osaka Qual | 2018/04/07 04:00 | Ange Oby Kajuru v Sakura Hosogi | 7-5,6-1 |
| ITF Women Nishi-Tama | 2018/03/18 01:00 | So-Ra Lee v Sakura Hosogi | 6-1,7-5 |
| ITF Women Nishi-Tama | 2018/03/17 01:00 | Ayano Sonoda v Sakura Hosogi | 4-6,4-6 |
| ITF Women Hamamatsu | 2017/10/18 00:00 | Sakura Hosogi v Yukina Saigo | 1-6,6-4,4-6 |