Head to head
1
Hard
2
0
Clay
2
Sjeng Schalken's wins on the left · Tommy Haas's on the right · bar lengths share one scale
All meetings (5)
| 2002 | Canada Masters | Hard | R32 | Tommy Haas | 6-3 3-6 6-3 |
| 2002 | Hamburg Masters | Clay | R32 | Tommy Haas | 7-5 6-3 |
| 2001 | Stuttgart Masters | Hard | R32 | Tommy Haas | 4-6 7-6(2) 6-2 |
| 2000 | Davis Cup WG R1: GER vs NED | Clay | RR | Tommy Haas | 6-2 6-2 6-3 |
| 1999 | Auckland | Hard | F | Sjeng Schalken | 6-4 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.