Garbine Muguruza defeated Sara Errani 6-2 3-6 6-1 in the New Haven round of 32 on hard. The upset overturned the form book — Sara Errani came in leading the head-to-head 2–1, defending last year's round of 16. Garbine Muguruza narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-03-23 | Miami | R32 | hard | Sara Errani | 4-6 6-4 6-1 |
| 2015-01-12 | Sydney | R32 | hard | Garbine Muguruza | 6-0 7-5 |
| 2012-08-27 | US Open | R128 | hard | Sara Errani | 6-3 6-7 6-1 |
Averages over each player's completed matches in the selected window (196 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About