Rossana De Los Rios defeated Polona Hercog 6-4 6-3 in the Cali 50K semi-final on clay. The upset overturned the form book — Polona Hercog came in leading the head-to-head 1–0. Rossana De Los Rios claimed a first win over Polona Hercog in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-02-22 | Acapulco | R32 | hard | Polona Hercog | 6-4 6-1 |
Averages over each player's completed matches in the selected window (27 vs 200). 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