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 extended the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-03-04 | Indian Wells | R32 | hard | Klara Koukalova | 6-4 7-5 |
| 2012-06-25 | Wimbledon | R128 | grass | Klara Koukalova | 6-4 6-1 |
| 2012-04-09 | Barcelona | R16 | clay | Dominika Cibulkova | 5-7 6-4 6-4 |
| 2011-10-17 | Moscow | R16 | hard | Dominika Cibulkova | 7-6(5) 6-2 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.