Stadium: Court 1 Round: 44
| ITF Women Yeongwol | 2017/09/03 03:00 | Yoon, Sujin v Kamiyoshihara, Ai | 5-7,2-6 |
| ITF Women Yeongwol | 2017/08/28 01:00 | Yoon, Sujin v Kim, Da Hye | 1-6,3-6 |
| ITF Women Gimcheon | 2017/06/11 02:00 | Yoon, Sujin v Jang, Eun SE | 3-6,7-5,0-6 |
| ITF Women Gimcheon | 2017/06/06 01:00 | Lee, Jin Ju v Yoon, Sujin | 6-2,6-2 |
| ITF Women Gimcheon | 2017/06/05 02:00 | Selvarajoo, Theiviya v Yoon, Sujin | 2-6,6-3,3-6 |
| ITF Women Gimcheon | 2017/06/04 02:00 | Yoon, Sujin v Kwon, Mi Jeong | 2-6,6-2,6-4 |
| ITF Women Incheon | 2017/05/16 04:50 | Jeong, Sunam v Yoon, Sujin | 6-3,6-1 |
| ITF Women Yeongwol | 2016/09/04 01:00 | Kim, Hae-Sung v Yoon, Sujin | 6-3,6-1 |
| ITF Women Yeongwol | 2017/08/29 01:00 | Eunhye Lee v Lee, Hye-Jin | 6-2,7-6 |
| ITF Women Yeongwol | 2017/08/28 02:00 | Kim, Sun Bin v Lee, Hye-Jin | 2-6,2-6 |
| ITF Women Yeongwol | 2017/08/27 03:00 | Lee, Hye-Jin v Kamiyoshihara, Ai | 6-4,7-6 |
| ITF Women Gimcheon | 2017/06/07 01:00 | Yoshitomi, Aiko v Lee, Hye-Jin | 7-5,6-1 |
| ITF Women Gimcheon | 2017/06/06 01:00 | Tananta, Lavinia v Lee, Hye-Jin | 6-7,6-4,4-6 |
| ITF Women Gimcheon | 2017/06/05 02:00 | Park, Ryeong Gyeong v Lee, Hye-Jin | 2-6,3-6 |
| ITF Women Gimcheon | 2017/06/04 03:00 | Lee, Hye-Jin v Ho Ching Wu | 6-2,2-6,6-2 |
| ITF Women Sangju | 2017/05/30 02:25 | Lee, Hye-Jin v Hanna Chang | 3-6,1-6 |