Marion Bartoli defeated Victoria Azarenka 5-7 6-4 6-4 in the Istanbul round robin on clay. The upset overturned the form book — Victoria Azarenka came in leading the head-to-head 7–1. Marion Bartoli narrowed the head-to-head to 7–2.
Bartoli M. came through in three sets.
Bartoli M. and Azarenka V. faced 21 of the same opponents in the last 12 months. Bartoli M. went 18–9 (67%) against them, Azarenka V. 24–10 (71%). Results against comparable opponents are close (5 : 6 better-results split).
Clay: Bartoli M. leads 1–0 · Hard: Azarenka V. leads 6–0 · Grass: level 1–1
Marion Bartoli beat Victoria Azarenka 5-7 6-4 6-4. Umpiry, "Marion Bartoli vs Victoria Azarenka — Istanbul Round Robin", https://umpiry.com/match/2011-10-28/azarenka-vs-bartoli-istanbul-rr?utm_source=cite (as of 28 October 2011).