Klara Koukalova defeated Dominika Cibulkova 3-6 6-3 6-3 in the New Haven round of 32 on hard. The upset overturned the form book — Dominika Cibulkova came in defending last year's quarter-final. Klara Koukalova moved ahead in the head-to-head, 3–2.
Koukalova K. came through in three sets.
Koukalova K. and Cibulkova D. faced 9 of the same opponents in the last 12 months. Koukalova K. went 4–7 (36%) against them, Cibulkova D. 4–7 (36%). Results against comparable opponents are close (2 : 2 better-results split).
Hard: Koukalova K. leads 2–1 · Grass: Koukalova K. leads 1–0 · Clay: Cibulkova D. leads 1–0
Klara Koukalova beat Dominika Cibulkova 3-6 6-3 6-3. Umpiry, "Klara Koukalova vs Dominika Cibulkova — New Haven Round of 32", https://umpiry.com/match/2013-08-19/cibulkova-vs-koukalova-new-haven-r32?utm_source=cite (as of 19 August 2013).