Maria Kirilenko defeated Agnieszka Radwanska 6-1 4-6 7-5 in the Indian Wells round of 16 on hard. The upset overturned the form book — Agnieszka Radwanska came in leading the head-to-head 6–2, defending last year's quarter-final, but Maria Kirilenko had been the form player, winning 3 of their last 5 on hard. Maria Kirilenko narrowed the head-to-head to 6–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-06-25 | Wimbledon | QF | grass | Agnieszka Radwanska | 7-5 4-6 7-5 |
| 2011-03-21 | Miami | R32 | hard | Agnieszka Radwanska | 7-6(2) 6-3 |
| 2011-03-07 | Indian Wells | R32 | hard | Agnieszka Radwanska | 6-0 2-6 7-5 |
| 2010-07-26 | Stanford | QF | hard | Agnieszka Radwanska | 7-5 6-0 |
| 2010-05-10 | Madrid | R64 | clay | Agnieszka Radwanska | 6-2 6-2 |
| 2009-10-19 | Moscow | R32 | hard | Maria Kirilenko | 6-3 6-3 |
| 2009-08-31 | US Open | R64 | hard | Maria Kirilenko | 6-4 2-6 6-4 |
| 2007-10-08 | Moscow | R32 | hard | Agnieszka Radwanska | 6-4 4-6 6-1 |
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 (58 vs 198). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About