Head to head
2
Hard
5
1
Clay
0
Tommy Haas's wins on the left · Pete Sampras's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (10)
| 2002 | US Open | Hard | R16 | Pete Sampras | 7-5 6-4 6-7(5) 7-5 |
| 2002 | Canada Masters | Hard | R16 | Tommy Haas | 7-6(3) 3-6 7-6(5) |
| 2001 | Long Island | Hard | F | Tommy Haas | 6-3 3-6 6-2 |
| 2000 | World Team Cup | Clay | RR | Tommy Haas | 7-5 6-2 |
| 1999 | Paris Masters | Carpet | R16 | Tommy Haas | W/O |
| 1998 | Lyon | Carpet | QF | Tommy Haas | W/O |
| 1998 | Canada Masters | Hard | R16 | Pete Sampras | 7-6(5) 6-2 |
| 1998 | Philadelphia | Hard | SF | Pete Sampras | 6-4 6-4 |
| 1996 | Basel | Hard | R16 | Pete Sampras | 6-4 2-6 6-3 |
| 1996 | Indianapolis | Hard | QF | Pete Sampras | 6-3 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.