Estádio: Court 1 Round: 25 Ground: Hardcourt outdoor
| ITF - W15 Yeongwol | 2019/09/08 01:30 | Dayeon Back v Ji-Hee Choi | 7-5,3-6,2-6 |
| ITF - W15 Monastir | 2021/08/26 08:55 | Dayeon Back v Himeno Sakatsume | 0-6,4-6 |
| ITF - W15 Monastir | 2021/08/25 15:50 | Tara Malik v Dayeon Back | 6-3,4-6,0-6 |
| ITF - W15 Yeongwol | 2019/09/08 01:30 | Dayeon Back v Ji-Hee Choi | 7-5,3-6,2-6 |
| ITF - W15 Yeongwol | 2019/09/07 05:30 | Dayeon Back v Yu Jin Ahn | 6-1,6-3 |
| ITF - W15 Yeongwol | 2019/09/06 03:05 | Punnin Kovapitukted v Dayeon Back | 4-6,4-6 |
| ITF - W15 Yeongwol | 2019/09/05 03:50 | Dayeon Back v Rina Saigo | 4-6,7-5,6-0 |
| ITF - W15 Yeongwol | 2019/09/04 05:35 | Dayeon Back v Ashmitha Easwaramurthi | 6-0,6-2 |
| ITF - W15 Yeongwol | 2019/09/03 08:00 | Dayeon Back v Hyeran Yun | 6-3,6-4 |
| ITF - W15 Monastir | 2021/08/25 14:30 | Ji-Hee Choi v Jazmin Ortenzi | 0-6,2-6 |
| ITF - W25 Oeiras | 2021/04/20 10:35 | Su Jeong Jang v Ji-Hee Choi | 6-0,6-1 |
| ITF - W25 Oeiras | 2021/04/19 09:30 | Sofia Shapatava v Ji-Hee Choi | 6-4,6-1 |
| ITF - W25 Oeiras | 2021/04/18 09:00 | Matilde Morais v Ji-Hee Choi | 3-6,0-6 |
| ITF - W60 Oeiras | 2021/04/11 10:15 | Seone Mendez v Ji-Hee Choi | 6-3,6-2 |
| ITF - W25 Dubai | 2021/03/29 06:30 | Yuliya Hatouka v Ji-Hee Choi | 6-0,6-3 |
| ITF - W25 Dubai | 2021/03/28 06:20 | Prerna Bhambri v Ji-Hee Choi | 6-2,0-6,8-10 |
| ITF - W25 Navi Mumbai | 2019/12/18 14:35 | Ji-Hee Choi v Martina Caregaro | 2-6,1-6 |