Head to head
2
Hard
2
Tommy Haas's wins on the left · Mario Ancic's on the right · bar lengths share one scale
All meetings (4)
| 2007 | Cincinnati Masters | Hard | R64 | Mario Ancic | 3-6 7-6(3) 6-3 |
| 2007 | Davis Cup WG R1: GER vs CRO | Hard | RR | Tommy Haas | 2-6 6-4 6-4 6-4 |
| 2005 | Miami Masters | Hard | R32 | Mario Ancic | 6-4 6-4 |
| 2004 | Athens Olympics | Hard | R64 | Tommy Haas | 6-1 7-5 |
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.