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.
Gambill J. took it in straight sets.
Gambill J. and Federer R. faced 6 of the same opponents in the last 12 months. Gambill J. went 2–6 (25%) against them, Federer R. 5–3 (63%). Federer R. came out clearly better against 3 of 5 comparable opponents, Gambill J. against 0 — though 1 of those edges carries caveats (lower-tier event).
Hard: Gambill J. leads 2–1 · Carpet: Federer R. leads 1–0 · Clay: Federer R. leads 1–0