Serena Williams defeats Maria Jose Martinez Sanchez on day 5 at the US Open Tennis Championships in New York

Serena Williams of the USA reacts after a point in her match against Maria Jose Martinez Sanchez of Spain on day 5 at the US Open Tennis Championships at the Billie Jean King National Tennis Center in New York on September 4, 2009. Williams defeated Sanchez 6-2, 7-5. UPI/John Angelillo