So Jung Kim defeated Kyung Yee Chae 4-6 6-3 7-5 in the Wellington 10K final on hard. The result followed the form book — So Jung Kim came in leading the head-to-head 2–0. So Jung Kim extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-05-18 | Incheon 25K | QF | hard | So Jung Kim | 3-6 7-5 6-1 |
| 2004-06-28 | Inchon 10K | R32 | hard | So Jung Kim | 6-0 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.