Su Jeong Jang defeated Na Ri Kim 6-2 6-3 in the Yeong Wol 10K round of 32 on hard. The upset overturned the form book — Na Ri Kim came in leading the head-to-head 1–0. Su Jeong Jang claimed a first win over Na Ri Kim in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-07-06 | Sunchang 10K | R32 | hard | Na Ri Kim | 6-4 6-3 |
Averages over each player's completed matches in the selected window (187 vs 32). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About