Roger Federer defeated Mario Ancic 6-3 4-6 6-4 in the Miami Masters round of 16 on hard. The result followed the form book — Roger Federer came in leading the head-to-head 5–1, defending last year's round of 32. Roger Federer extended the head-to-head to 6–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-06-23 | Wimbledon | QF | grass | Roger Federer | 6-1 7-5 6-4 |
| 2008-05-25 | Roland Garros | R32 | clay | Roger Federer | 6-3 6-4 6-2 |
| 2006-06-26 | Wimbledon | QF | grass | Roger Federer | 6-4 6-4 6-4 |
| 2006-05-29 | Roland Garros | QF | clay | Roger Federer | 6-4 6-3 6-4 |
| 2005-02-14 | Rotterdam | SF | hard | Roger Federer | 7-5 6-3 |
| 2002-06-24 | Wimbledon | R128 | grass | Mario Ancic | 6-3 7-6(2) 6-3 |
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.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About