Ana Ivanovic defeated Tsvetana Pironkova 6-0 6-2 in the Tournament of Champions round robin on hard. The upset overturned the form book — Tsvetana Pironkova came in defending last year's semi-final. Ana Ivanovic extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-08-27 | US Open | R16 | hard | Ana Ivanovic | 6-0 6-4 |
| 2008-05-12 | Rome | R32 | clay | Tsvetana Pironkova | 6-4 5-7 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 (189 vs 198). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About