Pemra Ozgen defeated Katerina Avdiyenko 6-1 6-2 in the Koeln 10K qualifying round on clay. The upset overturned the form book — Katerina Avdiyenko came in leading the head-to-head 1–0. Pemra Ozgen claimed a first win over Katerina Avdiyenko in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-04-03 | Dubai 10K | SF | hard | Katerina Avdiyenko | 6-2 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.