Sara Errani defeated Vania King 6-3 6-2 in the San Diego round of 32 on hard. The upset overturned the form book — Vania King came in leading the head-to-head 2–0. Sara Errani claimed a first win over Vania King in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-12-30 | Shenzhen | R16 | hard | Vania King | 2-6 7-6(7) 6-3 |
| 2012-03-05 | Indian Wells | R128 | hard | Vania King | 7-6(3) 6-4 |
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 (200 vs 150). ATP, WTA & Challenger.