Round: 44 Ground: Hardcourt outdoor
| ITF W15 Antalya | 2019/02/04 08:00 | Fanny Ostlund v Jooyeon Jeong | 6-2,6-1 |
| ITF W15 Antalya | 2019/02/01 08:30 | Jooyeon Jeong v Daniela Vismane | 0-6,2-6 |
| ITF W15 Antalya | 2019/01/22 10:00 | Ekaterina Ovcharenko v Jooyeon Jeong | 3-6,6-2,10-6 |
| ITF Women Antalya | 2018/12/16 10:30 | Alexandra Viktorovitch v Jooyeon Jeong | 6-2,6-1 |
| ITF Women Antalya | 2018/12/09 08:00 | Anri Nagata v Jooyeon Jeong | 6-0,6-0 |
| ITF Women Yeongwol | 2018/09/02 01:00 | Jooyeon Jeong v Eun Ji Lee | 0-6,1-6 |
| ITF Women Yeongwol | 2018/08/26 02:00 | Nikita Uberoi v Jooyeon Jeong | 6-2,7-6 |
| ITF Women Gimcheon | 2018/08/19 01:00 | Jooyeon Jeong v Handeul Kim | 1-6,2-6 |
| ITF W15 Yeongwol | 2019/08/25 03:00 | Eunyeong Park v Jin Ju Lee | 6-3,6-4 |
| ITF W25 Goyang | 2019/05/20 01:00 | Chang Liu v Jin Ju Lee | 6-4,6-1 |
| ITF Women Yeongwol | 2018/09/04 03:00 | Subin Park v Jin Ju Lee | 6-1,6-3 |
| ITF Women Daegu Qual | 2018/06/18 01:00 | Ayaka Okuno v Jin Ju Lee | 6-0,4-6,6-2 |
| ITF Women Sangju | 2018/06/06 03:10 | Jin Ju Lee v Sung-Hee Han | 0-6,6-3,6-1 |
| ITF Women Sangju Qual | 2018/06/05 04:00 | Jin Ju Lee v Sung Hee Kim | 2-6,6-4,6-3 |
| ITF Women Sangju Qual | 2018/06/04 05:00 | Mami Hasegawa v Jin Ju Lee | 4-6,4-6 |
| ITF Women Yeongwol | 2017/09/05 02:00 | Jin Ju Lee v Kwan Yau Ng | 2-6,6-3,6-7 |