Tsvetana Pironkova defeated Petra Kvitova 6-4 6-3 in the Sydney semi-final on hard. The upset overturned the form book — Petra Kvitova came in leading the head-to-head 2–1. Tsvetana Pironkova narrowed the head-to-head to 2–2.
Pironkova T. took it in straight sets.
Pironkova T. and Kvitova P. faced 14 of the same opponents in the last 12 months. Pironkova T. went 4–11 (27%) against them, Kvitova P. 18–3 (86%). Kvitova P. came out clearly better against 9 of 14 comparable opponents, Pironkova T. against 0 — though 1 of those edges carries caveats (lower-tier event).
Hard: Pironkova T. leads 2–1 · Grass: Kvitova P. leads 1–0