Carlos Moya defeated Sjeng Schalken 6-3 7-6 in the Halle quarter-final on grass. The result followed the form book — Carlos Moya came in leading the head-to-head 3–2, defending last year's round of 16. Carlos Moya extended the head-to-head to 4–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-04-09 | Davis Cup WG QF: ESP vs NED | RR | clay | Carlos Moya | 6-3 6-4 |
| 2004-01-05 | Chennai | SF | hard | Carlos Moya | 6-3 6-4 |
| 2002-08-05 | Cincinnati Masters | R32 | hard | Carlos Moya | 6-2 6-4 |
| 2001-02-09 | Davis Cup WG R1: NED vs ESP | RR | carpet | Sjeng Schalken | 6-4 7-5 6-4 |
| 2000-04-17 | Monte Carlo Masters | R32 | clay | Sjeng Schalken | 6-4 4-6 6-1 |
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 200). ATP, WTA & Challenger.