Florian Mayer has pulled out of the U.S. Open.
Kei Nishikori says he will sit out Japan's Davis Cup quarterfinal against the Czech Republic this weekend due to a groin injury.
Andy Murray has pulled out of the season-ending ATP World Tour Finals with a groin injury.
Venus Williams' Aussie Open attire was overshadowed by a painful shriek in her previous match. Can she overcome her physical woes?
Tyson Gay won his first race since a second-place finish at the world championships, then said he would be having surgery at the end of the season.
Top-seeded Andreas Seppi withdrew from the Austrian Open on Tuesday shortly before the start of his first-round match against Nicolas Devilder of France
Two-time major champion Amelie Mauresmo pulled out of the U.S. Open on Wednesday, citing a groin injury and the need to recover fully from the appendectomy she had in March.
Australian Open champion Serena Williams on Wednesday pulled out of next week's German Open because of a groin injury. She has played just four tournaments this year.
Serena Williams said the groin injury that forced her to retire from a match last week has healed and she'll be able to play for the U.S. Fed Cup team this weekend against Belgium.
Venus Williams easily advanced Tuesday in her opening match at the Family Circle Cup, defeating Samantha Stosur 6-2, 6-2.
World No. 2 Rafael Nadal pulled out of the Sydney International with a leg injury on Tuesday, less than week before the Australian Open.
Italy's Francesca Schiavone earned a seventh chance at her first career tournament victory Saturday.
U.S. Open runner-up Mary Pierce pulled out of the Generali Ladies tournament because of an injury on Thursday.
Teenager Andy Murray upset third-seeded American Robby Ginepri 4-6, 6-4, 6-3 and No. 2 Lleyton Hewitt withdrew with a groin injury Friday at the Thailand Open. Roger Federer also advanced.
Tommy Haas is expected to be fit for this month's Australian Open despite pulling out of the Hopman Cup on Thursday with a groin injury.
Mark Philippoussis' participation in this month's Australian Open is in serious doubt after he was forced to pull out of the Hopman Cup because of a groin injury.