Head to head
1
Hard
1
1
Clay
1
Tommy Haas's wins on the left · Juan Ignacio Chela's on the right · bar lengths share one scale
All meetings (4)
| 2011 | Vienna | Hard | R32 | Tommy Haas | 6-7(3) 6-3 7-6(5) |
| 2004 | Monte Carlo Masters | Clay | R32 | Juan Ignacio Chela | 6-4 1-6 6-3 |
| 2004 | Indian Wells Masters | Hard | R16 | Juan Ignacio Chela | 6-4 6-2 |
| 2002 | Rome Masters | Clay | R32 | Tommy Haas | 7-5 6-1 |
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.