2021 Korea Open – Singles
| Singles | |
|---|---|
| 2021 Korea Open | |
| Champion | Zhu Lin |
| Runner-up | Kristina Mladenovic |
| Score | 6–0, 6–4 |
| Draw | 28 |
| Seeds | 8 |
Karolína Muchová was the reigning champion, but chose not to participate.
Zhu Lin won her first WTA 125 tournament, defeating Kristina Mladenovic in the final, 6–0, 6–4.