Katerina Avdiyenko defeated Petra Cetkovska 3-6 7-6 6-3 in the Abu Dhabi 10K semi-final on hard. The upset overturned the form book — Petra Cetkovska came in leading the head-to-head 3–0. Katerina Avdiyenko claimed a first win over Petra Cetkovska in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-04-03 | Dubai 10K | F | hard | Petra Cetkovska | 1-6 7-6(6) 6-2 |
| 2004-08-02 | Gdynia 2 10K | SF | clay | Petra Cetkovska | 6-2 6-3 |
| 2004-03-29 | Cairo 2 10K | R32 | clay | Petra Cetkovska | 6-4 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.