Jan Michael Gambill defeated Gaston Gaudio 6-0 6-2 6-0 in the US Open round of 32 on hard. Jan Michael Gambill extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-08-02 | Cincinnati Masters | R64 | hard | Gaston Gaudio | 6-4 6-2 |
| 2001-03-19 | Miami Masters | QF | hard | Jan Michael Gambill | 3-6 7-5 6-4 |
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 (157 vs 200). ATP, WTA & Challenger.