Nicole Vaidisova defeated Catalina Castano 7-5 6-4 in the Seoul semi-final on hard. The upset overturned the form book — Catalina Castano came in leading the head-to-head 1–0, defending last year's round of 16. Nicole Vaidisova claimed a first win over Catalina Castano in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-04-10 | Charleston | R32 | clay | Catalina Castano | 7-5 6-2 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (160 vs 76). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About