So Jung Kim defeated Jin A Lee 2-6 6-3 6-1 in the Incheon 25K final on hard. So Jung Kim extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-04-27 | Gimcheon 25K | F | hard | Jin A Lee | 6-4 7-5 |
| 2004-05-24 | Seoul 25K | QF | hard | So Jung Kim | 7-6(3) 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.