Tommy Haas defeated Sjeng Schalken 7-5 6-3 in the Hamburg Masters round of 32 on clay. The result followed the form book — Tommy Haas came in leading the head-to-head 3–1, defending last year's round of 32. Tommy Haas extended the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2002-07-29 | Canada Masters | R32 | hard | Tommy Haas | 6-3 3-6 6-3 |
| 2001-10-15 | Stuttgart Masters | R32 | carpet | Tommy Haas | 4-6 7-6(2) 6-2 |
| 2000-02-04 | Davis Cup WG R1: GER vs NED | RR | carpet | Tommy Haas | 6-2 6-2 6-3 |
| 1999-01-11 | Auckland | F | hard | Sjeng Schalken | 6-4 6-4 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 172). ATP, WTA & Challenger.