New York: Sixth-seeded Angelique Kerber moved on easily at the US Open to set up a second round match with Venus Williams.
The German beat Britain's Anne Keothavong 6-2, 6-0 in 54 minutes on Tuesday. Keothavong, ranked 81st, had 25 unforced errors to Kerber's nine.
Ranked outside the top 100 at the start of 2010, Kerber is now a career-best sixth. She reached her first Grand Slam semifinal at Flushing Meadows last year.
The German beat Britain's Anne Keothavong 6-2, 6-0 in 54 minutes.
Williams is unseeded at No. 46 in the world after missing time because of illness, and Kerber was the top player who drew her early in the tournament.