Maria Kirilenko defeated Nadia Petrova 6-1 5-7 6-2 in the Indian Wells round of 16 on hard. The upset overturned the form book — Nadia Petrova came in leading the head-to-head 5–3, defending last year's round of 16. Maria Kirilenko narrowed the head-to-head to 5–4.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-10-29 | Tournament of Champions | RR | hard | Nadia Petrova | 3-6 7-6(4) 6-3 |
| 2010-08-23 | New Haven | SF | hard | Nadia Petrova | 2-6 6-2 6-2 |
| 2008-08-11 | Cincinnati | SF | hard | Nadia Petrova | 1-6 6-2 6-1 |
| 2008-05-12 | Rome | R64 | clay | Maria Kirilenko | 3-6 7-5 6-4 |
| 2008-05-05 | Berlin | R32 | grass | Maria Kirilenko | 6-3 6-3 |
| 2006-02-20 | Dubai | R32 | hard | Maria Kirilenko | 6-4 6-1 |
| 2006-01-09 | Sydney | R16 | hard | Nadia Petrova | 6-1 6-2 |
| 2004-03-24 | Miami | R64 | hard | Nadia Petrova | 6-2 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 (105 vs 79). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About