Head to head
3
Hard
1
1
Clay
0
1
Grass
0
Tommy Haas's wins on the left · Gilles Simon's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 2013 | Miami Masters | Hard | QF | Tommy Haas | 6-3 6-1 |
| 2012 | Canada Masters | Hard | R32 | Tommy Haas | 6-2 6-3 |
| 2012 | Hamburg | Clay | R16 | Tommy Haas | 4-6 6-3 6-4 |
| 2008 | Indianapolis | Hard | QF | Gilles Simon | 4-6 6-4 6-2 |
| 2006 | Cincinnati Masters | Hard | R32 | Tommy Haas | 6-3 4-6 6-4 |
| 2006 | Halle | Grass | R32 | Tommy Haas | 6-4 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.