So Ra Lee defeated Sung Hee Han 5-7 6-0 6-1 in the Changwon $25K qualifying round on hard. The upset overturned the form book — Sung Hee Han came in leading the head-to-head 2–1. So Ra Lee narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-05-27 | Changwon 25K | R32 | hard | So Ra Lee | 3-6 6-3 7-6(4) |
| 2012-06-18 | Goyang 25K | QF | hard | Sung Hee Han | 4-6 6-3 6-4 |
| 2012-05-07 | Tarakan 25K | R16 | hard | Sung Hee Han | 2-6 7-5 6-3 |
Averages over each player's completed matches in the selected window (4 vs 1). 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. Small sample — read as indicative. About