U.S. Open champion Juan Martin Del Potro will play at next year's Queen's Club tournament in an effort to improve his grasscourt game ahead of Wimbledon.

World No. 1 Roger Federer will open his 2009 ATP World Tour Finals against dangerous seventh-seeded Spaniard Fernando Verdasco, when round-robin play commences Sunday at O2 Arena.

The draw was revealed Wednesday for the 2009 ATP World Tour finals, and world No. 1 Roger Federer is in the same round-robin group as heavy British favorite Andy Murray and U.S. Open champion Juan Martin del Potro, who upset the Swiss superstar back in New York in September.

Belgian tennis players Yanina Wickmayer and Xavier Malisse have both appealed their respective one-year suspensions for anti-doping violations.

Belgian tennis players Yanina Wickmayer and Xavier Malisse have asked the Court of Arbitration for Sport to overturn their one-year bans for missing drug tests.

Top-ranked Roger Federer will play U.S. Open champion Juan Martin del Potro and Andy Murray in the round-robin phase of the ATP World Tour Finals.

Sam Querrey narrowly avoided a potentially career-ending injury when he shattered a glass table after practicing for a tournament in Thailand.

Wimbledon runner-up Andy Roddick has pulled out of next week's ATP World Tour finals, citing a left knee injury. French Open runner-up Robin Soderling will replace the American star in the field and make his debut at the prestigious eight-man event.

Andy Roddick is withdrawing from the season-ending ATP World Tour Finals because of a left knee injury.

More Americans are playing tennis, with Hispanics and blacks showing a marked increase.

Former world No. 1 superstar Rafael Nadal will play for his beloved Spain in next month's Davis Cup final against the visiting Czech Republic.

The Swiss bank Credit Suisse has signed a 10-year sponsorship with Roger Federer.

Rafael Nadal will lead defending champion Spain in the Davis Cup final against the Czech Republic next month.

Novak Djokovic captured his fifth title of 2009 with a three-set victory over French crowd favorite Gael Monfils in the title match of the Paris Masters.

Third-seeded Novak Djokovic of Serbia has won his first Paris Masters title by defeating Gael Monfils of France 6-2, 5-7, 7-6 (3).

Suspended Belgian tennis players Yanina Wickmayer and Xavier Malisse are launching appeals with European authorities challenging the legality of the whereabouts rules of the World Anti-Doping Agency.

Novak Djokovic dominated Rafael Nadal and moved into the final of the Paris Masters, where he will face countryman Gael Monfils on Sunday.

Novak Djokovic overpowered Rafael Nadal 6-2, 6-3 Saturday to reach the Paris Masters final for the first time.

Rafael Nadal of Spain and Serbia's Novak Djokovic won quarterfinal matches at the Paris Masters on Friday, victories that also set the field for the season-ending ATP World Finals.

Belgian tennis player Yanina Wickmayer says she was never properly informed of the online reporting requirements for drug-testing that led to her one-year ban from the sport.

World No. 1 superstar Roger Federer was shocked by Frenchman Julien Benneteau, while former top-ranked slugger Rafael Nadal staved off five match points before winning his second-round match Wednesday at the Paribas Masters, the final Masters tournament of the season.

A tired Andy Murray lost to Radek Stepanek 1-6, 6-3, 6-4 Thursday in the third round of the Paris Masters.

It was yet another entertaining year on the WTA Tour, and perhaps no one was more entertaining than one Serena Williams.

Charismatic Russian Marat Safin played his final ATP tennis match on Wednesday, as he suffered a 6-4, 5-7, 6-4 loss at the hands of world No. 5 U.S. Open champion Juan Martin del Potro in Paris.