| ITF Women Gyeongsan Qual | 2018/06/10 03:30 | Jeong, Jooyeon v Yoon, Sujin | 0-6,1-6 |
| ITF Women Sangju Qual | 2018/06/03 02:00 | Jeong, Jooyeon v Sim, Mi Seong | 0-6,4-6 |
| Changwon, Singles Qualifying W-WITF-KOR-01A | 2018/05/20 04:30 | Kim, S. v Jeong, Jooyeon | 6-1,6-2 |
| ITF Women Incheon Qual | 2018/05/13 02:00 | Park, Eunyeong v Jeong, Jooyeon | 6-2,6-2 |
| ITF Women Goyang Qual | 2018/05/06 05:15 | Kim, Hae-Sung v Jeong, Jooyeon | 6-1,6-0 |
| ITF Women Yeongwol | 2017/09/03 02:00 | Lee, Han-Bit v Jeong, Jooyeon | 6-3,6-2 |
| ITF Women Gimcheon | 2017/06/11 02:00 | Lee, Dami v Jeong, Jooyeon | 6-1,6-1 |
| ITF Women Goyang Qual | 2017/05/21 01:00 | Zhang, Ling v Jeong, Jooyeon | 6-0,6-0 |
| ITF Women Taipei | 2018/07/22 02:00 | Yi Tsen Cho v Kamiyoshihara, Ai | 6-1,6-3 |
| ITF Women Jakarta | 2018/07/14 06:00 | Kamiyoshihara, Ai v Kalva, Bhuvana | 3-6,4-6 |
| ITF Women Sangju Qual | 2018/06/04 05:00 | Kim, Sung Hee v Kamiyoshihara, Ai | 6-3,6-3 |
| ITF Women Hua Hin Qual | 2018/05/07 02:30 | Kamiyoshihara, Ai v Casey, Maree | 4-6,2-6 |
| ITF Women Hua Hin Qual | 2018/05/06 02:30 | I-Hsuan Cho v Kamiyoshihara, Ai | 3-6,6-7 |
| ITF Women Hua Hin Qual | 2018/05/05 02:30 | Sagwal, Avika v Kamiyoshihara, Ai | 4-6,5-7 |
| ITF Women Hua Hin Qual | 2018/04/29 06:00 | Yi Tsen Cho v Kamiyoshihara, Ai | 2-6,6-1,6-3 |
| Nishi-Tama, Singles W-WITF-JPN-01A | 2018/03/17 01:00 | Kamiyoshihara, Ai v Sueno, Satoko | 2-6,0-6 |