Roger Federer, owner of the most Grand Slam titles in history and maybe the best player of all time, finally lost at the U.S. Open. But not to Rafael Nadal,

Juan Martin del Potro has ended Roger Federer's run of dominance at the U.S. Open, stunning the top-ranked Swiss great in five sets to win in his first Grand

The Williams sisters have won the U.S. Open women's doubles title, two days after Serena's ugly exit in the singles semifinals.

Serena Williams apologized Monday for what she called her "inappropriate outburst" during her semifinal loss to Kim Clijsters at the U.S. Open.

Serena Williams walked toward the line judge, screaming, cursing and shaking a ball in the official's direction, threatening to "shove it down" her throat.

American teenager Melanie Oudin's surprising run at the U.S. Open has ended with a 6-2, 6-2 quarterfinal loss to No. 9-seeded Caroline Wozniacki of Denmark.

A New York City man arrested for running onto the court at the U.S. Open to kiss Rafael Nadal will be charged with trespassing and faces possible jail time if

American tennis phenom Melanie Oudin continues to steam through the U.S. Open and she might be thanking her pink Adidas (and boyfriend) for the wins.

Venus and Serena Williams will become the latest celebrities to own a stake in the Miami Dolphins, a person familiar with the deal said.

Top-seeded Fernando Verdasco has reached the quarterfinals of the Swedish Open, saving a match point late in the third set before beating Daniel Koellerer 6-7

The second Thursday of the Wimbledon fortnight is reserved for the ladies semifinals and Serena Williams is first up on Centre Court. The two-time champion and

Five-time champion Venus Williams recovered from an early stumble in her opening match at Wimbledon on Tuesday to beat Stefanie Voegele of Switzerland 6-3,

Roger Federer beat Robin Soderling, tied Pete Sampras and won the French Open at last.

A slow start couldn't stop top-ranked Dinara Safina from reaching the semifinals at the French Open. Faced with a tough test for the first time in the

Robin Soderling knew he had to keep Rafael Nadal on the run if he was to have any chance of unseating the four-time French Open champion on Sunday.