Overcome by heat and humidity in the second set of her U.S. Open semifinal, China's Shuai Peng paused between points to clutch at her left thigh and put her weight on her racket as if it were a...

Clearly frustrated by his play and opponent, Roger Federer whacked his racket on the top of the net after a missed volley. Moments later, he barked at the chair umpire: "What's wrong with...

Kei Nishikori's run to the semifinals of the U.S. Open was hailed as a "win for all of Japan" back home.   Nishikori became the first Japanese man to reach the...

Through a pair of back-and-forth sets, Novak Djokovic and Andy Murray put on a display befitting a matchup of past U.S. Open champions.   They tracked down would-be winners and somehow got...

Off to a bad-as-can-be start to her U.S. Open quarterfinal, losing serve twice while dropping the first three games, even Serena Williams found it hard to believe.   "I was thinking:...

Gael Monfils follows his own rules.   The guy does things on a tennis court no one else has — or can. Just search his name on YouTube and watch any of many video clips showcasing his...

Bothered by the heat and stifling humidity, Eugenie Bouchard felt dizzy and her vision was blurry.   She got her blood pressure checked. Plastic bags filled with ice were rubbed on her...

Caroline Wozniacki trusts her stamina so much that she plans to return to New York in two months to run a marathon.   Maria Sharapova, usually the one wearing down opponents in the third...

Once again, John Isner's trip to Flushing Meadows ended in the third round. Once again, it happened with a loss to Germany's Philipp Kohlschreiber at that stage.   And once again,...

A day before facing Venus Williams — and a partisan crowd — at the U.S. Open, Italy's Sara Errani came across a video posted on Twitter that gave her a little extra...