Greg Rusedski has set up a second-round encounter with Andre Agassi after easing through his opening match at the Nasdaq-100 Open in Miami.
The British number two crushed Armenian Sargis Sargsian 6-3 6-4 in an hour and one minute.
He won 84 per cent of first-serve points and hit 20 winners in his victory.
Agassi has beaten Rusedski in their last three meetings