Petra Cetkovska defeated Kathrin Woerle 6-2 6-1 in the Johannesburg 100K semi-final on hard. The upset overturned the form book — Kathrin Woerle came in leading the head-to-head 1–0. Petra Cetkovska claimed a first win over Kathrin Woerle in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-01-14 | Australian Open | Q128 | hard | Kathrin Woerle | 6-4 7-5 |
Averages over each player's completed matches in the selected window (102 vs 6). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About