Giulia Casoni defeated Antonella Serra Zanetti 6-4 3-6 6-3 in the Ortisei 25K round of 16 on hard. The upset overturned the form book — Antonella Serra Zanetti came in leading the head-to-head 1–0, but Giulia Casoni had been the form player, winning 4 of their last 7 on hard. Giulia Casoni claimed a first win over Antonella Serra Zanetti in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-07-29 | Muri Antichi 10K | F | clay | Antonella Serra Zanetti | 6-7 6-3 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.