Tommy Haas defeated Pete Sampras 7-5 6-2 in the Dusseldorf round robin on clay. The upset overturned the form book — Pete Sampras came in leading the head-to-head 3–2, defending last year's round-robin. Tommy Haas narrowed the head-to-head to 3–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2002-08-26 | US Open | R16 | hard | Pete Sampras | 7-5 6-4 6-7 7-5 |
| 2002-07-29 | Canada Masters | R16 | hard | Tommy Haas | 7-6 3-6 7-6 |
| 2001-08-20 | Long Island | F | hard | Tommy Haas | 6-3 3-6 6-2 |
| 1998-08-03 | Canada Masters | R16 | hard | Pete Sampras | 7-6 6-2 |
| 1998-02-23 | Philadelphia | SF | hard | Pete Sampras | 6-4 6-4 |
Averages over each player's completed matches in the selected window (200 vs 144). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About