Maria Kirilenko defeated Sara Errani 7-5 7-5 in the New Haven round of 32 on hard. The upset overturned the form book — Sara Errani came in leading the head-to-head 5–0, defending last year's round of 16. Maria Kirilenko claimed a first win over Sara Errani in six meetings, narrowing the head-to-head to 5–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-05-13 | Rome | R16 | clay | Sara Errani | 6-3 2-0 RET |
| 2013-01-07 | Sydney | R16 | hard | Sara Errani | 6-1 6-1 |
| 2009-01-19 | Australian Open | R128 | hard | Sara Errani | 6-0 6-4 |
| 2008-07-21 | Portoroz | QF | hard | Sara Errani | 6-1 7-5 |
| 2008-03-24 | Miami | R64 | hard | Sara Errani | 6-4 4-6 7-6(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 (152 vs 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About