Jan Michael Gambill defeated Roger Federer 6-4 7-5 in the Doha quarter-final on hard. The upset overturned the form book — Roger Federer came in leading the head-to-head 3–1, defending last year's quarter-final. Jan Michael Gambill narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2002-12-30 | Doha | QF | hard | Jan Michael Gambill | 6-4 7-5 |
| 2001-02-09 | Davis Cup WG R1: SUI vs USA | RR | hard | Roger Federer | 7-5 6-2 4-6 6-2 |
| 2000-10-30 | Stuttgart Masters | R64 | carpet | Roger Federer | 7-6 1-0 |
| 2000-05-29 | Roland Garros | R64 | clay | Roger Federer | 7-6 6-3 6-3 |
Averages over each player's completed matches in the selected window (100 vs 199). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About