Klara Koukalova defeated Petra Cetkovska 6-1 1-6 6-2 in the Eastbourne round of 16 on grass. The upset overturned the form book — Petra Cetkovska came in leading the head-to-head 2–0. Klara Koukalova claimed a first win over Petra Cetkovska in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-08-25 | US Open | R128 | hard | Petra Cetkovska | 6-1 2-6 6-3 |
| 2011-05-09 | Prague 100K | QF | clay | Petra Cetkovska | 5-7 6-3 7-5 |
Averages over each player's completed matches in the selected window (81 vs 80). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About