Antonella Serra Zanetti defeated Jelena Kostanic Tosic 6-3 2-6 7-6 in the Grado 25K round of 16 on clay. The upset overturned the form book — Jelena Kostanic Tosic came in leading the head-to-head 2–0. Antonella Serra Zanetti claimed a first win over Jelena Kostanic Tosic in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-05-10 | Rome | Q64 | clay | Jelena Kostanic Tosic | 7-6(3) 6-1 |
| 2002-01-28 | Ortisei 50K | R32 | carpet | Jelena Kostanic Tosic | 6-3 6-1 |
Averages over each player's completed matches in the selected window (25 vs 47). 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