Stadium: Court B Round: 25 Ground: Hardcourt outdoor
| WTA Seoul | 2021/12/22 02:00 | Arianne Hartono v Ji-Hee Choi | 6-1,6-1 |
| WTA Seoul | 2021/12/20 01:00 | Onyu Choi v Ji-Hee Choi | 3-6,6-4,6-7 |
| 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 |