Antonella Serra Zanetti defeated Katarina Srebotnik 4-6 7-6 7-5 in the Rogaska Slatina 25K round of 16 on carpet. The upset overturned the form book — Katarina Srebotnik came in leading the head-to-head 3–0. Antonella Serra Zanetti claimed a first win over Katarina Srebotnik in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-09-27 | Seoul | R32 | hard | Katarina Srebotnik | 6-1 6-1 |
| 2004-05-03 | Berlin | Q64 | grass | Katarina Srebotnik | 7-5 2-6 6-4 |
| 2002-10-21 | Luxembourg | R16 | hard | Katarina Srebotnik | 6-4 6-2 |
Averages over each player's completed matches in the selected window (25 vs 178). 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