Roddick was playing his first match since the Australian Open, when he was hindered by a sore right shoulder in a five-set loss to Marin Cilic in the quarterfinals.
The shoulder didn't appear to bother Roddick against DeHeart, who was playing just his fourth match on the main tour.
Story continues below ↓advertisement | your ad hereRoddick served 11 aces, reaching 146 mph on the radar gun. He rolled through an easy first set before rallying from 5-2 down in the second set to force a tiebreaker. Roddick won the first four points of the tiebreaker and advanced easily to the second round.
© 2010 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.Roddick, Nadal advance to Aussie quartersCanales open to Prem move
