Sandra Zahlavova defeated Nadejda Ostrovskaya 6-3 4-6 6-0 in the Catania 25K round of 32 on clay. The upset overturned the form book — Nadejda Ostrovskaya came in leading the head-to-head 1–0. Sandra Zahlavova claimed a first win over Nadejda Ostrovskaya in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-11-22 | Opole 25K | R32 | carpet | Nadejda Ostrovskaya | 6-2 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.