Petra Kvitova defeated Agnieszka Radwanska 7-6 6-3 in the Istanbul round robin on clay. The result followed the form book — Petra Kvitova came in leading the head-to-head 2–0, defending last year's round of 32. Petra Kvitova extended the head-to-head to 3–0.
Kvitova P. took it in straight sets.
Kvitova P. and Radwanska A. faced 16 of the same opponents in the last 12 months. Kvitova P. went 21–6 (78%) against them, Radwanska A. 17–5 (77%). Results against comparable opponents are close (3 : 5 better-results split).
Clay: Kvitova P. leads 1–0 · Grass: Kvitova P. leads 1–0 · Hard: Kvitova P. leads 1–0
Petra Kvitova beat Agnieszka Radwanska 7-6(4) 6-3. Umpiry, "Petra Kvitova vs Agnieszka Radwanska — Istanbul Round Robin", https://umpiry.com/match/2011-10-28/kvitova-vs-radwanska-istanbul-rr?utm_source=cite (as of 28 October 2011).