
By Associated Press
U.S. Open champion Andy Murray pulled out Tuesday because of a chronic back injury and will be replaced by a lucky loser.

By Associated Press
The U.S. Open champion met with specialists this week and has opted to now focus on preparing for the start of the grass-court season and Wimbledon next month.

By Andrew Dampf - Associated Press
Murray retired from his second-round match with Spanish opponent Marcel Granollers at the Italian Open on Wednesday with lower back pain and considers himself doubtful for the French Open.

By Joseph Wilson - Associated Press
Williams beat Maria Sharapova 6-1, 6-4 in the final Sunday to retain her No. 1 ranking and collect her 50th career title, while Rafael Nadal eased by Stanislas Wawrinka 6-2, 6-4 for his fifth title since returning from a knee injury.

By Pete Iacobelli - Associated Press
Serena won her 14th straight match in Charleston with a 6-1, 6-2 victory over Venus Williams — the most one-sided result in the sisters' long, intense rivalry.

By Sandra Harwitt - Associated Press
The United States trails Serbia 2-1 in a Davis Cup quarterfinal after the top-ranked doubles team of Bob and Mike Bryan lost to Serbia's Nenad Zimonjic and Ilija Bozoljac 7-6 (5), 7-6 (1), 5-7, 4-6, 15-13 on Saturday.

By Beth Harris - Associated Press
Nadal improved to a career-best 17-1 on the year, including 14 straight match wins. He's won three titles — two on clay while runner-up in another on his favorite surface — since returning from a left knee injury.

By Beth Harris - Associated Press
Del Potro snapped his own four-match skid against Djokovic, who had beaten the Argentine in eight of 10 career meetings.

By Beth Harris - Associated Press
"Now it's a little bit difficult because I'm playing and Alex is playing," Kirilenko said Wednesday after winning her quarterfinal match at the BNP Paribas Open. "We are just in the period of talking what's the best. We will find the right day."

By Associated Press
The Kastles announced Tuesday that Hingis will join the club on July 15, two days after she is enshrined in the International Tennis Hall of Fame in Newport, R.I.

By Rachel Cohen - Associated Press
The 11-time Grand Slam champion feels encouraged about his comeback from injury after the past week, when he finally felt he could move freely. He dominated fellow Spaniard David Ferrer, the world's fourth-ranked player, to win the Mexican Open on Saturday.

By Tales Azzoni - Associated Press
Nadal thrust his arms into the air and pumped his fist after a long ball by David Nalbandian made him the champion of the indoor clay-court tournament for the second time. The Spaniard also won the event in 2005.
By Beth Harris - Associated Press
It was Sharapova's second career title at Indian Wells, where she first won in 2006. Wozniacki won here in 2011. The women met in a final for the first time; their six other matches came in earlier rounds. Published March 17, 2013
By ASSOCIATED PRESS - Associated Press
Rafael Nadal has withdrawn from the Sony Open that begins Monday in Key Biscayne, Fla., to rest his left knee. Published March 17, 2013
By ASSOCIATED PRESS - Associated Press
Rapper Redfoo of LMFAO and "Heroes" actor Sendhil Ramamurthy have entered the U.S. Open national playoffs in their bids to earn berths in the final Grand Slam tennis tournament of the year. Published March 15, 2013
By ASSOCIATED PRESS - Associated Press
Sam Stosur has withdrawn from her quarterfinal match against Angelique Kerber at the BNP Paribas Open because of a right calf injury. Published March 14, 2013
By ASSOCIATED PRESS - Associated Press
The chief executive of British tennis' governing body is stepping down at the end of September after seven years in the role. Published March 13, 2013
By ASSOCIATED PRESS - Associated Press
U.S. Davis Cup captain Jim Courier plans to face No. 1 Novak Djokovic and Serbia in the quarterfinals with the same group _ Sam Querrey, John Isner, twins Bob and Mike Bryan _ that beat Brazil in the first round. Published March 13, 2013
By ASSOCIATED PRESS - Associated Press
Martina Hingis will join the Washington Kastles of World TeamTennis after her Hall of Fame induction in July. Published March 12, 2013
By STEPHEN WILSON - Associated Press
Tennis is adopting the biological passport program and increasing the number of blood tests as part of a new anti-doping drive that players themselves have demanded. Published March 7, 2013
By ASSOCIATED PRESS - Associated Press
Rafael Nadal is not sure how his injured left knee will respond to his first hardcourt match of the year at the BNP Paribas Open. Published March 7, 2013
By ASSOCIATED PRESS - Associated Press
Tomas Berdych will return to Queen's Club for the first time in eight years to tune up for Wimbledon. Published March 5, 2013
By BETH HARRIS - Associated Press
Mardy Fish eased his way back into big-time tennis with an exhibition match against top-ranked Novak Djokovic. The real test comes this week in the Southern California desert. Published March 5, 2013