So Jung Kim defeated Kyung Mi Chang 5-7 6-3 6-2 in the Inchon 25K round of 32 on hard. So Jung Kim extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-04-05 | Incheon 25K | R32 | hard | So Jung Kim | 6-3 6-4 |
| 2002-04-22 | Seoul 25K | R32 | hard | Kyung Mi Chang | 6-0 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.