Mariano Zabaleta defeated Davide Sanguinetti 7-6 6-4 in the Canada Masters round of 64 on hard. The upset overturned the form book — Davide Sanguinetti came in leading the head-to-head 2–1. Mariano Zabaleta 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 |
| 1999-10-04 | Palermo | R32 | clay | Davide Sanguinetti | 6-4 7-6(2) |
| 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.