Tennis

Five-time champion Roger Federer and third-seeded Novak Djokovic of Serbia were among Thursday's second-round winners at the U.S. Open.

Top-seeded Caroline Wozniacki and former world No. 1 Jelena Jankovic were a pair of second-round winners Thursday at the 2010 U.S. Open.

Five-time champion Roger Federer was an easy second-round winner Thursday at the U.S. Open.

Surging American Mardy Fish was an easy second-round winner Thursday at the 2010 U.S. Open.

Top-seeded Caroline Wozniacki was an easy second-round winner Thursday at the 2010 U.S. Open.

American Andy Roddick suffered one of his earliest exits at the U.S. Open, falling to Serbian Janko Tipsarevic in four sets in a second-round encounter Wednesday night.

Two-time champion Venus Williams and second-seeded Kim Clijsters were among Wednesday's second-round winners at the U.S. Open.

Two-time champion Venus Williams was among Wednesday's second-round winners at the U.S. Open.

Former runner-up Andy Murray was an easy opening-round winner Wednesday at a very hot U.S. Open.

Tenth-seeded Victoria Azarenka retired from her second-round match Wednesday amid some extremely hot conditions at the 2010 U.S. Open.