LONDON, ENGLAND - JULY 08: Roger Federer of Switzerland in action during his Gentlemen's Singles final match against Andy Murray of Great Britain on day thirteen of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on July 8, 2012 in London, England. (Photo by Julian Finney/Getty Images)

New York – Roger Federer and Andy Murray could meet in a U.S. Open semifinal that would be a rematch of their recent finals at Wimbledon and the London Olympics.

The top-seeded Federer and No. 3 Murray were placed in the same section of the field during Thursday's draw at Flushing Meadows. Federer beat Murray at the All England Club; Murray beat Federer for the gold medal.

Defending champion Novak Djokovic could face No. 4 David Ferrer in the semifinals.

Rafael Nadal withdrew with knee trouble.

Potential quarterfinals: Federer vs. No. 6 Tomas Berdych, who upset him in the 2010 Wimbledon quarterfinals; Djokovic vs. 2009

U.S. Open champion Juan Martin del Potro; Murray vs. No. 5 Jo-Wilfried Tsonga; Ferrer vs. No. 8 Janko Tipsarevic.

The women's draw is later Thursday.

Play begins Monday. – Sapa-AP