Tennis News Headlines

LAUSANNE, Switzerland (AP) -- Austrian tennis player Daniel Koellerer hasappeared at the Court of Arbitration for Sport to challenge his lifetime ban forattempting to fix matches.

MELBOURNE, Australia (AP) -- Australian star Lleyton Hewitt has received awild-card spot in the Australian Open next month.

Argentina's Juan Monaco sits on the court during the first tennis match of the Davis Cup Final against Spain's Rafael Nadal , in Sevilla, Spain, Friday, Dec. 2, 2011.

COPENHAGEN, Denmark (AP) -- A Danish newspaper reports that top-rankedCaroline Wozniacki has hired Spanish coach Ricardo Sanchez.

Spain's Rafael Nadal , left, and captain Albert Costa talk during the draw for their upcoming Davis Cup final in Seville, Spain, on Thursday, Dec. 1, 2011. Spain and Argentina will play the Davis Cup final on December 2 to 4.

MILAN (AP) -- Serena Williams says she and her sister Venus are aiming todefend their Olympic doubles title in London next summer.

Roger Federer of Switzerland holds up and kisses the winners trophy after he defeated Jo-Wilfried Tsonga of France in their singles final tennis match at the ATP World Tour Finals, in the O2 arena in London, Sunday, Nov. 27, 2011.

LONDON (AP) -- Max Mirnyi of Belarus and Daniel Nestor of Canada won thedoubles title at the ATP World Tour Finals on Sunday, beating Polish duo MariuszFyrstenberg and Marcin Matkowski 7-5, 6-3 in the final.

PARIS (AP) -- Former French Open champion Yannick Noah says his accusationsof doping being rife in Spanish sport were intended as a global wake-up call tosports authorities he feels should be doing more to catch drug cheats -- yet hemaintains his belief that Spain is tainted.

LONDON (AP) -- For Mardy Fish, just qualifying for the ATP World Tour Finalsfor the first time was the culmination of a decade-long career.

LONDON (AP) -- The Bryan brothers have been eliminated from the season-endingATP World Tour Finals, losing 7-6 (6), 6-4 their doubles semifinal to Max Mirnyiand Daniel Nestor.

MEDELLIN, Colombia (AP) -- Venus Williams defeated her sister Serena Williams6-4, 7-6 (5) in an exhibition match in Colombia, the first match for bothsiblings since the U.S. Open in September.

LONDON (AP) -- Andy Murray spent two hours debating whether to play on at theATP World Tour Finals, and said his body made the decision for him.

Switzerland's Roger Federer plays a return to Jo-Wilfried Tsonga of France, during their round robin singles match at the ATP World Tour Finals, at the O2 arena in London, Sunday, Nov. 20, 2011.

Spain's Rafael Nadal plays a return to Mardy Fish during a round robin single tennis match at the ATP World Tour Finals at O2 Arena in London, Sunday, Nov. 20, 2011.

Serena, left, and Venus Williams laugh during a news conference in Bogota, Colombia, Tuesday Nov. 22, 2011. Venus will make her comeback Wednesday in an exhibition match against her sister Serena in Medellin, two months after pulling out of the U.S. Open because of an immune system disease.

MILAN (AP) -- Venus Williams will make her comeback in an exhibition matchagainst her sister Serena in Colombia on Wednesday, two months after pulling outof the U.S. Open because of an immune system disease.

LONDON (AP) -- Roger Federer has picked up two honors at the ATP World TourAwards at the end of his first season without a Grand Slam since 2002.

BARCELONA, Spain (AP) -- Rafael Nadal will lead an unchanged Spain squadagainst Argentina in next month's Davis Cup final.

Serena Williams poses with her awards during the SEWTA Awards Ceremony.

Switzerland's Roger Federer returns the ball to France's Jo-Wilfried Tsonga , during their final match of the Tennis Masters tournament, in Paris, Sunday, Nov.13, 2011.

PARIS (AP) -- Novak Djokovic pulled out of the Paris Masters with a naggingshoulder injury before his quarterfinals match against Jo-Wilfried Tsonga onFriday.

Czech Republic's Lucie Safarova returns the ball to Russia's Anastasia Pavlyuchenkova at their Fed Cup final match in Moscow, Russia, Sunday, Nov. 6, 2011.

Novak Djokovic dropped to 68-4 this year, with two of his losses the result of injury retirements.