Roger Federer defeated Gustavo Kuerten 6-0 1-6 6-2 in the Hamburg Masters quarter-final on clay. The upset overturned the form book — Gustavo Kuerten came in leading the head-to-head 2–0, defending last year's round of 64. Roger Federer claimed a first win over Gustavo Kuerten in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-05-24 | Roland Garros | R32 | clay | Gustavo Kuerten | 6-4 6-4 6-4 |
| 2003-03-10 | Indian Wells Masters | R32 | hard | Gustavo Kuerten | 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 153). ATP, WTA & Challenger.