Head to head
3
Hard
1
1
Clay
2
0
Carpet
2
Tommy Haas's wins on the left · Sebastien Grosjean's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (9)
| 2007 | US Open | Hard | R32 | Tommy Haas | 6-2 6-4 3-6 4-6 6-3 |
| 2007 | Munich | Clay | R32 | Sebastien Grosjean | 6-4 6-4 |
| 2004 | US Open | Hard | R64 | Tommy Haas | 6-4 6-4 1-6 6-1 |
| 2002 | Indianapolis | Hard | QF | Tommy Haas | 6-3 3-6 6-3 |
| 2002 | Rome Masters | Clay | R16 | Tommy Haas | 6-3 6-4 |
| 2001 | Paris Masters | Carpet | SF | Sebastien Grosjean | 7-5 6-4 |
| 2000 | Paris Masters | Carpet | R32 | Sebastien Grosjean | 7-5 6-4 |
| 2000 | Stuttgart Masters | Hard | R64 | Sebastien Grosjean | 6-4 6-2 |
| 1999 | Monte Carlo Masters | Clay | R32 | Sebastien Grosjean | 7-5 6-2 |
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.