Maria Kirilenko defeated Flavia Pennetta 6-3 6-1 in the Kolkata quarter-final on hard. The upset overturned the form book — Flavia Pennetta came in leading the head-to-head 6–0, but Maria Kirilenko had been the form player, winning 3 of their last 6 on hard. Maria Kirilenko claimed a first win over Flavia Pennetta in seven meetings, narrowing the head-to-head to 6–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-05-14 | Rome | R64 | clay | Flavia Pennetta | 6-1 7-6(2) |
| 2011-08-08 | Toronto | R64 | hard | Flavia Pennetta | 6-3 6-1 |
| 2010-09-27 | Tokyo | R32 | hard | Flavia Pennetta | 6-3 4-6 6-3 |
| 2010-08-02 | San Diego | R16 | hard | Flavia Pennetta | 6-4 7-6(5) |
| 2009-08-17 | Toronto | R64 | hard | Flavia Pennetta | 6-3 6-3 |
| 2009-03-23 | Miami | R64 | hard | Flavia Pennetta | 6-4 7-5 |
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 200). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About