Head to head
2
Hard
0
2
Grass
0
1
Carpet
0
Andy Roddick's wins on the left · Mario Ancic's on the right · bar lengths share one scale
All meetings (5)
| 2007 | Australian Open | Hard | R16 | Andy Roddick | 6-3 3-6 6-1 5-7 6-4 |
| 2005 | Lyon | Carpet | QF | Andy Roddick | 6-4 6-4 |
| 2005 | Davis Cup WG R1: USA vs CRO | Hard | RR | Andy Roddick | 4-6 6-2 6-1 6-4 |
| 2004 | Wimbledon | Grass | SF | Andy Roddick | 6-4 4-6 7-5 7-5 |
| 2004 | Queen's Club | Grass | R16 | Andy Roddick | 7-6(3) 4-6 6-4 |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.