Roger Federer defeated Sjeng Schalken 7-6 6-4 7-5 in the Davis Cup WG R1: NED vs SUI round robin on carpet. The result followed the form book — Roger Federer came in leading the head-to-head 4–1. Roger Federer extended the head-to-head to 5–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-06-23 | Wimbledon | QF | grass | Roger Federer | 6-3 6-4 6-4 |
| 2003-03-17 | Miami Masters | R16 | hard | Roger Federer | 6-3 6-2 |
| 2003-02-17 | Rotterdam | QF | hard | Roger Federer | 6-2 6-4 |
| 2002-06-17 | s Hertogenbosch | QF | grass | Sjeng Schalken | 3-6 7-5 6-3 |
| 2001-08-27 | US Open | R32 | hard | Roger Federer | 6-4 7-5 7-6(3) |
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 113). ATP, WTA & Challenger.