Stadium: Court 5 Round: 44
| ITF Women Incheon Qual | 2018/05/13 02:00 | Sujin Yoon v Dabin Kim | 3-6,6-0,4-6 |
| ITF Women Goyang Qual | 2018/05/06 05:15 | Sujin Yoon v Hyejin Lee | 2-6,6-3,5-7 |
| ITF Women Yeongwol | 2017/09/03 03:00 | Sujin Yoon v Ai Kamiyoshihara | 5-7,2-6 |
| ITF Women Yeongwol | 2017/08/28 01:00 | Sujin Yoon v Da Hye Kim | 1-6,3-6 |
| ITF Women Gimcheon | 2017/06/11 02:00 | Sujin Yoon v Eun Se Jang | 3-6,7-5,0-6 |
| ITF Women Gimcheon | 2017/06/06 01:00 | Jin Ju Lee v Sujin Yoon | 6-2,6-2 |
| ITF Women Gimcheon | 2017/06/05 02:00 | Theiviya Selvarajoo v Sujin Yoon | 2-6,6-3,3-6 |
| ITF Women Gimcheon | 2017/06/04 02:00 | Sujin Yoon v Mi Jeong Kwon | 2-6,6-2,6-4 |
| ITF Women Incheon | 2018/05/15 04:25 | So-Hee Yoon v Berfu Cengiz | 2-6,2-6 |
| ITF Women Goyang Qual | 2018/05/06 06:15 | So-Hee Yoon v Dayeon Back | 0-6,0-6 |
| ITF Women Yeongwol | 2017/08/27 02:00 | Subin Park v So-Hee Yoon | 4-6,6-4,7-6 |
| ITF Women Gimcheon | 2017/06/11 02:00 | So-Hee Yoon v Ho Ching Wu | 4-6,4-6 |
| ITF Women Incheon Qual | 2017/05/15 02:00 | So-Hee Yoon v Desirae Krawczyk | 1-6,1-6 |