Mariano Zabaleta defeated Roger Federer 6-4 7-6 in the Miami Masters round of 64 on hard. The upset overturned the form book — Roger Federer came in leading the head-to-head 3–0, defending last year's round of 128. Mariano Zabaleta claimed a first win over Roger Federer in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-03-21 | Miami Masters | R32 | hard | Roger Federer | 6-2 5-7 6-3 |
| 2003-05-05 | Rome Masters | R32 | clay | Roger Federer | 7-6(4) 6-2 |
| 2002-04-15 | Monte Carlo Masters | R64 | clay | Roger Federer | 7-6(2) 6-4 |
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.