Davide Sanguinetti defeated Mariano Zabaleta 6-4 7-6 in the Palermo round of 32 on clay. The upset overturned the form book — Mariano Zabaleta came in leading the head-to-head 2–1, defending last year's quarter-final. Davide Sanguinetti narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-10-11 | Vienna | R32 | hard | Davide Sanguinetti | 7-6(7) 7-5 |
| 2002-07-29 | Canada Masters | R64 | hard | Mariano Zabaleta | 7-6(6) 6-4 |
| 1999-01-11 | Auckland | R32 | hard | Mariano Zabaleta | 3-6 6-3 6-2 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.