French tennis player Richard Gasquet was cleared of any wrongdoing Thursday when the Court of Arbitration for Sport accepted his claim that he tested positive for cocaine by kissing a woman in a nightclub. The CAS dismissed appeals by the World Anti-Doping Agency and International Tennis Federation, which wanted Gasquet banned for up to two years.

U.S. Open semifinalist Yanina Wickmayer earned a major off-court victory Wednesday when officials lifted her one-year ban for violating anti-doping rules. The 20-year-old Belgian was banned in November for breaking World Anti-Doping Agency regulations by failing to report her whereabouts for drug testing three times.

A Belgian court Monday suspended the one-year doping bans given to tennis players Yanina Wickmayer and Xavier Malisse. Wickmayer's lawyers hope the injunction will make 16th-ranked Wickmayer eligible to play as soon as possible. The U.S. Open semifinalist hopes to receive a wild card for the Australian Open.

The US Open begins today and one upstart tennis channel is hoping its coverage of the event will boost its bottom line. CNBC's Darren Rovell ...

Dinara Safina withdrew Friday from next month's Brisbane International because of a bad back, leaving her status for the Australian Open in doubt. Safina, the former top-ranked player in the world, had hoped to return from injury at the Brisbane event and start tuning up for the first major of 2010.

Spain Davis Cup captain and former French Open winner Albert Costa was released from a hospital after experiencing heart problems on Thursday. The 34-year-old Costa was admitted to a hospital near Barcelona after complaining of heart palpitations, chest pains and hypertension, the Spanish tennis federation said.

The Spanish Supreme Court has ordered former top-ranked women's player Arantxa Sanchez-Vicario to pay back approximately $5.1 million in unpaid income tax. The court rejected Sanchez-Vicario's assertion that she was a resident of Andorra and not Spain from 1989 to 1993. The court said in its ruling Thursday that the three-time French Open champion "never effectively lived in Andorra...

U.S. Open champion Kim Clijsters beat Venus Williams 6-1, 7-5 in an Diamond Games exhibition match Wednesday. It was the first high-level match that Clijsters had played in her native country since returning to tennis this year. The match was played before about 14,000 fans at the Sports Palace.

Prominent Australian sports broadcaster Mieke Buchan interviews Marat Safin for a featurette for the Tennis Channel Open. - I'm not entirely ...

CoCo Vandeweghe, the niece of New Jersey Nets GM and coach Kiki Vandeweghe, and Ryan Harrison have earned spots in the main draw of the 2010 Australian Open. Vandeweghe, of Rancho Santa Fe, Calif., and Harrison, of Bradenton, Fla., won U.S. Tennis Association wild-card playoffs in Atlanta. Vandeweghe, who turned 18 Sunday, beat Christina McHale of Englewood Cliffs, N.J., 7-6 (2), 0-6, 6-3.

Professional Tennis Player Todd Widom getting ready for the 2010 tennis season, hitting the gym.

Spain's prime minister honored the Davis Cup-winning team in a ceremony at his official residence on Monday. Jose Luis Rodriguez Zapatero praised Rafael Nadal and his teammates for successfully defending the title after completing a 5-0 victory over the Czech Republic in the final on Sunday. The country's overall sporting success has coincided with a period of dominance in tennis, Zapatero...

Hope you enjoyed the Tennis Channel Special about the Johan Kriek Tennis Academy. It premiered on Sunday, Dec. 6; 2009. Here is another clip for ...