Antonella Serra Zanetti defeated Adriana Serra Zanetti 6-7 6-3 6-3 in the Indian Wells round of 128 on hard. The upset overturned the form book — Adriana Serra Zanetti came in defending last year's round of 32, but Antonella Serra Zanetti had been the form player, winning 2 of their last 5 on hard. Antonella Serra Zanetti extended the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-11-03 | Pittsburgh PA 50K | R32 | hard | Antonella Serra Zanetti | 6-3 6-3 |
| 2002-09-09 | Shanghai | R16 | hard | Adriana Serra Zanetti | 6-1 6-0 |
| 1999-04-26 | Bol | R32 | clay | Antonella Serra Zanetti | 6-2 6-3 |
| 1997-08-25 | Orbetello 25K | R32 | clay | Adriana Serra Zanetti | 6-1 7-5 |
Averages over each player's completed matches in the selected window (25 vs 2). 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