Gaston Gaudio defeated Andre Agassi 6-4 7-6 in the Cincinnati Masters round of 64 on hard. The upset overturned the form book — Andre Agassi came in leading the head-to-head 4–0, defending last year's round of 32. Gaston Gaudio claimed a first win over Andre Agassi in five meetings, narrowing the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-08-08 | Canada Masters | QF | hard | Andre Agassi | 6-3 6-4 |
| 2005-03-21 | Miami Masters | R16 | hard | Andre Agassi | 7-6(7) 6-2 |
| 2002-10-28 | Paris Masters | R32 | hard | Andre Agassi | 6-4 6-7(1) 6-4 |
| 2000-05-08 | Rome Masters | R32 | clay | Andre Agassi | 6-1 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 (200 vs 200). ATP, WTA & Challenger.