So Jung Kim defeated Kun Hee Kim 6-3 6-3 in the Changwon 25K qualifying round on hard. The upset overturned the form book — Kun Hee Kim came in leading the head-to-head 1–0. So Jung Kim claimed a first win over Kun Hee Kim in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-04-20 | Changwon 25K | R16 | hard | Kun Hee Kim | 6-4 2-6 7-6(6) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.