Stadium: Centre Court Round: 25 Ground: Hardcourt outdoor
| ITF W25 Daytona Beach | 2021/11/08 15:00 | Ji-Hee Choi v Kanako Morisaki | 2-6,3-6 |
| ITF W80 Tyler | 2021/10/25 22:20 | Ji-Hee Choi v Elizabeth Mandlik | 1-6,1-6 |
| ITF W80 Macon | 2021/10/18 18:25 | Ji-Hee Choi v Victoria Duval | 5-7,2-6 |
| ITF W15 Monastir | 2021/09/10 08:00 | Martina Capurro Taborda v Ji-Hee Choi | 7-6,6-3 |
| ITF W15 Monastir | 2021/09/09 10:00 | Ji-Hee Choi v Yukina Saigo | 6-3,6-2 |
| ITF W15 Monastir | 2021/09/08 16:05 | Ferdaous Bahri v Ji-Hee Choi | 2-6,1-6 |
| ITF W15 Monastir | 2021/09/01 14:00 | Dayeon Back v Ji-Hee Choi | 4-6,6-1,6-3 |
| ITF W15 Monastir | 2021/08/25 14:30 | Ji-Hee Choi v Jazmin Ortenzi | 0-6,2-6 |