2001 champion Lleyton Hewitt rolled over Amer Delic 6-2, 6-4, 6-2.
Also see: Sania enters second round
Hewitt smacked 31 winners and won 95 percent of the points on his first serve during his victory over the shell-shocked Delic.
"He doesn't have the best passing shots out there," said Hewitt. "So it was a matter of me mixing it up when I had the opportunity, come in on his backhand, make him press."
US Open: Complete Coverage
Advertisement
