Andy Roddick defeated Mario Ancic 6-3 3-6 6-1 5-7 6-4 in the Australian Open round of 16 on hard. The result followed the form book — Andy Roddick came in leading the head-to-head 4–0, defending last year's round of 16. Andy Roddick extended the head-to-head to 5–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-10-24 | Lyon | QF | clay | Andy Roddick | 6-4 6-4 |
| 2005-03-04 | Davis Cup WG R1: USA vs CRO | RR | hard | Andy Roddick | 4-6 6-2 6-1 6-4 |
| 2004-06-21 | Wimbledon | SF | grass | Andy Roddick | 6-4 4-6 7-5 7-5 |
| 2004-06-07 | Queen's Club | R16 | grass | Andy Roddick | 7-6(3) 4-6 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 92). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About