There is a new man in Maria Sharapova's life.
"It could have been the secret to my success or the secret to my demise," a wistful Serena Williams says of her 2013 season.
Radek Stepanek drew on his vast experience to give a tennis lesson to Serbia's Dusan Lajovic in the deciding singles as the Czech Republic retained the Davis Cup Sunday.
When Serena Williams, winner of this year's women's singles title at the U.S. Open, picked up her check for $2.6 million -- buck for buck the same as the men's champion -- she might well have reflected that, if not for Billie Jean King's pioneering efforts, those riches might not exist.
Novak Djokovic sat out the doubles and saw his Serbian team fall 2-1 behind in the Davis Cup final Saturday as the Czech pair of Tomas Berdych and Radek Stepanek outplayed Ilija Bozoljac and Nenad Zimonjic in Belgrade.
A year that began with a fourth Australian Open title ended in similarly triumphant style for Novak Djokovic on Monday as the Serb outclassed Rafael Nadal in the ATP World Tour Finals finale.
Rightly billed as a clash of tennis titans, World No.1 versus World No.2, few were expecting the comprehensive manner of Novak Djokovic's defeat of Rafael Nadal to retain the ATP World Tour Finals title Monday night in London.
Defending champion Novak Djokovic will play Rafael Nadal in the final of the ATP World Tour Finals at London's O2 Arena after both men comfortably overcame their Swiss opponents in Sunday's semifinals.
Roger Federer is through to the semifinals of the ATP World Tour Finals after beating Argentina's Juan Martin del Potro at London's O2 Arena on Saturday.
Rafael Nadal completed a perfect sweep of his matches in Group A of the ATP World Tour Finals by beating Tomas Berdych Friday -- his victory enabling a grateful Stanislas Wawrinka to accompany him into the semifinals in London.
Roger Federer kept his hopes alive at the ATP World Tour Finals Thursday with a straight sets win over Richard Gasquet then repeated his demand for more rigorous doping controls in tennis.
Rafael Nadal sealed a remarkable comeback in 2013 by beating Stanislas Wawrinka at the ATP World Tour Finals on Wednesday to ensure he will finish the year as world No. 1.
Serbian tennis player Viktor Troicki has told CNN in an exclusive interview that he has been "treated like a criminal" following the year-long ban he received after missing a drugs test in April.
Novak Djokovic completed his second three-set victory over Roger Federer in the space of three days to get his ATP World Tour Finals title defense off to a winning start Tuesday in London.
Tennis' year-end championships are supposed to showcase the top eight players in the world but Monday's opening matches in London took a backseat to another butting of heads between the two biggest names in the sport.
It's become an increasingly precious jewel in the ATP's financial crown, attracting big crowds and treating the leading players like rock stars since its move to London four years ago.
Novak Djokovic will head to London to defend his ATP World Tour Finals crown on a high after winning back the Paris Masters title Sunday.
Rafael Nadal failed to clinch the year-end No. 1 ranking for the third time in his career after suffering a shock defeat at the Paris Masters on Saturday.
Revenge proved sweet for Roger Federer and now he has World No.2 Novak Djokovic in his sights at the Paris Masters.
Roger Federer arrives in London for the ATP World Tour Finals with a point to prove.
Roger Federer has endured a 2013 which has seen him slip out of the world's top four for the first time in a decade.
One French tennis star kept alive his hopes of a long-awaited return to the ATP World Tour Finals on Tuesday, but another has missed out on a third successive appearance.
Marin Cilic made a winning return to the ATP circuit Monday after serving a reduced doping ban.
An exhausted but elated Serena Williams was left celebrating her 11th title of the season to round off 2013 by claiming the WTA Championships in Istanbul Sunday.
Juan Martin Del Potro put on hold Roger Federer's hopes of qualifying for the ATP World Tour Finals by inflicting a second straight defeat on the Swiss maestro in the final of his hometown tournament in Basel.
Defending champion Serena Williams overcame a gutsy display from Jelena Jankovic on Saturday to reach the final of the WTA Championships in Istanbul.
The old met the new. At one end of the court, the young man nicknamed "Baby Federer" -- at the other was one of the all-time tennis greats, albeit one who is battling to show that he's not a spent force.
Li Na made tennis history Friday -- and another entry in the record books is within her reach.
Former top-10 player Marin Cilic had his doping ban reduced to four months Friday, leaving the Croatian with a sense of "justice" but the head of tennis' world governing body seeking answers.
Serena Williams became the first woman through to the semifinals of the season-ending WTA Championships on Thursday, winning her third successive match in Istanbul.
The legendary Bjorn Borg fueled his success with a daily diet of steak and potatoes.
Victoria Azarenka's alarming slump shows no sign of stopping after the World No.2 was beaten in straight sets by Jelena Jankovic at the WTA Championships in Istanbul Wednesday.
Dmitry Tursunov is not a man to play Russian roulette with his career -- but time is running out.
Defending champion Serena Williams breezed past Germany's Angelique Kerber in her opening match at the WTA Championships in Istanbul's Sinan Erdem Dome on Tuesday.
Andy Murray is set to step up his rehabilitation program by returning to practice next month.
The wait is over for Caroline Wozniacki. The Dane has collected her first title of 2013 in Luxembourg.
Jo-Wilfried Tsonga's hopes of reaching the ATP World Tour Finals suffered a blow Saturday as the top seed crashed out of the Erste Bank Open in Austria.
Most of Roger Federer's career has been free of turmoil.
Those pesky drug testers.
Novak Djokovic fended off the considerable challenge mounted by Juan Martin Del Potro to retain his Shanghai Masters title Sunday in another three set classic.
Roger Federer is having his worst season on the tennis tour since he became a grand slam champion.
It could be Juan Martin del Potro's week at the Shanghai Masters.
Defending champion Novak Djokovic and new World No.1 Rafael Nadal came through testing quarterfinal matches Friday in Shanghai.
Not long ago, it was virtually guaranteed that the "Big Four" of men's tennis would grace the semifinals of every major tournament.
In Roger Federer's last tournament, he lost at the U.S. Open to a player he had beaten 10 straight times.
Evergreen Kimiko Date-Krumm defeats Laura Robson, a British teenager 24 years her junior, in the Japan Open.
Maria Sharapova pulled out of the season ending WTA Championships in Istanbul Monday, still plagued by a troubling right shoulder injury.
Serena Williams refused to get drawn into a pre-Wimbledon war of words with Maria Sharapova Sunday -- claiming she had apologized to her Russian rival.
Novak Djokovic may have surrendered his No. 1 ranking to Rafael Nadal, but he was not about to tighten his grip on the China Open title.
Rafael Nadal has been No. 1 in the world rankings before. In two stints, in fact.
Tennis is 'likely' to change one of its anti-doping rules after Viktor Troicki received an 18-month suspension for refusing to take a drug test at a tournament earlier this year.
David Nalbandian has announced his retirement from tennis after failing to overcome a troublesome shoulder injury.
History was made on two fronts when Joao Sousa beat Julien Benneteau to win the Malaysian Open.
It's a love match for Novak Djokovic.
Andy Murray hopes to return to training in November after undergoing a successful operation on a troublesome back injury.
Novak Djokovic admitted that this year could have been better for him at the grand slams. He won the Australian Open but lost two finals and had clay-court king Rafael Nadal on the ropes at the French Open.
Andy Murray thrilled his home crowd in July when he became the first British man in 77 years to win the Wimbledon singles title.
Tennis hero, inspiring role model for African Americans, social activist and high-profile campaigner for the HIV and AIDS communities, Arthur Ashe died in 1993, but it is a measure of his influence that 20 years on his legacy burns as brightly as ever.
Roger Federer and Novak Djokovic could meet in the Davis Cup next year after Switzerland was paired with Serbia in the first round of the world group.
Novak Djokovic's Serbia will play holders the Czech Republic in the Davis Cup final but it was his teammate Janko Tipsarevic who proved the final day hero.
The Czech Republic remain on course for a second consecutive Davis Cup triumph after beating Argentina 3-0 in the semifinal at Prague's O2 Arena on Saturday.
U.S. Open champion Rafael Nadal has admitted to real doubts he could return to his best after yet more knee injury problems.
Rafael Nadal is back.
Two years after losing part of her lung during an operation to remove a life-threatening blood clot, newly-crowned U.S. Open champion Serena Williams insists playing tennis "is just fun now."
Serena Williams retained her U.S. Open title with a hard-fought 7-5 6-7 6-1 victory over Victoria Azarenka in a gripping final at Flushing Meadows Sunday.
Novak Djokovic ensured he will remain world No. 1 next week after overcoming a titanic challenge from Stanislas Wawrinka to reach the U.S. Open final for the fourth year in a row.
World No. 1 Serena Williams will play second-ranked Victoria Azarenka in a rematch of last year's U.S. Open final on Sunday as she attempts to become the oldest winner of the New York grand slam.
The odds were against Richard Gasquet when he went to a fifth set against David Ferrer at the U.S. Open.
Practice made perfect for Stanislas Wawrinka at the U.S. Open as he beats his hitting partner Andy Murray in the quarter-finals.
Serena Williams underlined her status as the overwhelming favorite for the women's U.S. Open title with a crushing "double bagel" win over Carla Suarez Navarro in the quarterfinals of the New York grand slam.
Before she was even born, Micaela Bryan already had her own Twitter handle.
Victoria Azarenka woke up in time to beat Ana Ivanovic at the U.S. Open and keep alive her chances of reaching a fourth consecutive hard-court grand slam final.
Roger Federer will not feature in a Grand Slam final in the same calendar year for the first time since 2002, after he was knocked out of the U.S. Open by Spain's Tommy Robredo.
Andy Murray became the first member of the so-called Big Four in men's tennis to flinch at the U.S. Open. He lost a set to Argentina's Leonardo Mayer on Friday.
Entering this season Petra Kvitova had reached the quarterfinals at every grand slam except for the U.S. Open.
What a difference a slam makes as Sabine Lisicki again found to her cost Friday at the U.S. Open.
They are two titans of Flushing Meadows and on Thursday both Roger Federer and Serena Williams breezed into the third round of the U.S. Open.
Two-time champion Venus Williams is out of the U.S. Open following a battling 6-3 2-6 7-6 (7-5) second-round defeat to world No. 56 Zheng Jie.
In 2011, Yani Tseng surprised the world with a feat that neither Tiger Woods nor Jack Nickalus could accomplish. On August 1, aged 22, the Taiwanese became the youngest golfer to win five major championships.
Five-time champion Roger Federer breezed through a potentially testing first round match at the U.S. Open Tuesday to lift some of the pessimism surrounding his latest title bid.
Tennis parents don't always have the best of reputations. Think Damir Dokic, John Tomic and Jim Pierce.
So used to being the only British man in the second round at grand slams -- especially outside Wimbledon -- Andy Murray will have company at the U.S. Open.
He's the greatest player in the modern tennis era, perhaps even of all time, but is Roger Federer's stellar career fading to twilight?
Serena Williams has lost only four matches this year -- and the world No. 1 is hoping her most recent setback can help her become the oldest winner of a U.S. Open women's singles title.
They've met in three of the past four grand slam finals but after Thursday's draw, Andy Murray and Novak Djokovic can't face each other in this year's final.
Maria Sharapova has been forced out of the U.S. Open with a right shoulder injury, continuing a turbulent few months for the four-time grand slam winner.
Rafael Nadal completed his preparations for the U.S. Open by claiming the title in Cincinnati for the first time with a hard-fought 7-6 7-6 win over home hope John Isner Sunday.
John Isner has continued his remarkable run at the Western and Southern Open in Cincinnati defeating Argentina's Juan Martin del Potro to set up a meeting with Rafa Nadal in Sunday's final.
Novak Djokovic and Andy Murray might be the favorites to reach the U.S. Open final since they were the last men standing in three of the four previous majors.
Roger Federer suffered unexpected losses in his three previous tournaments and needed to rally to set up a clash with Rafael Nadal at the Cincinnati Masters.
Rain has played havoc with the U.S. Open but a new retractable roof over Arthur Ashe Stadium means the weather-related woes will soon be a thing of the past.
Marion Bartoli has retired from tennis with immediate effect, just six weeks after winning her first grand slam title at Wimbledon.
Serena Williams was extended to three sets by one of the next generation of stars hoping to assume her No.1 mantle before advancing to the third round of the WTA event in Cincinnati Wednesday.
Andy Murray's preparations for the defense of his U.S. Open title hit a wall in Montreal as he was beaten in the last 16 by Ernests Gulbis.
Third seed Maria Sharapova was stunned on her return to action at the Western and Southern Open, losing to American starlet Sloane Stephens.
Rafael Nadal might not like playing on hard courts because they affect his knees but he hasn't lost a match on the surface this year.
Rafael Nadal and Novak Djokovic can't stop playing classics.