Roger Federer defeated Mariano Zabaleta 6-2 5-7 6-3 in the Miami Masters round of 32 on hard. The result followed the form book — Roger Federer came in leading the head-to-head 2–1, defending last year's round of 32. Roger Federer extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 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 |
| 2000-03-20 | Miami Masters | R64 | hard | Mariano Zabaleta | 6-4 7-6(7) |
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 67). ATP, WTA & Challenger.