In addition, the fact that Murray represents Great Britain makes him more marketable in the tennis world.
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Golf star Rory McIlroy, who won the 2011 U.S. Open, is currently dating former tennis world No. 1 Caroline Wozniacki.
The American tennis world was tossed into a tizzy on August 9th when Andy Roddick fell out of the top ten in the ATP rankings.
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Klitschko credits his relationship with his brother -- sometimes compared to that of the tennis world's champion sisters Serena and Venus Williams -- for his success.
Roddick took the tennis world by storm in 2000, when he suddenly morphed from a mediocre baselining junior to a power tennis monster with a 140-mph serve almost overnight.
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But the eyes of the tennis world were on Nadal as he returned to the more unforgiving hard court surface for the first time in 346 days with a second round match against Ryan Harrison of the United States Saturday.
And in the case of Federer, at the Australian Open, you know Roger Federer is the best tennis player in the world and maybe the best tennis player ever - he lost.
"This is arguably the leading tennis tournament in the world and people come here to watch tennis, " Phillips added.
Meanwhile at the World Tennis Tournament in Rotterdam, Juan Martin del Potro will face Julien Benneteau in Sunday's final.
Russian star Anna Kournikova was 25 when she officially retired in 2007, although 2003 was her last year on the World Tennis Federation circuit.
Meanwhile, defending champion Roger Federer crashed out of the Rotterdam World Tennis tournament after suffering a shock 6-3 7-5 defeat by France's Julien Benneteau.
In other men's news, Nadal's great rival Roger Federer will return to action in Rotterdam this week as he defends his World Tennis Tournament title.
Dimitrov, 21, is rated as one of the most exciting prospects in world tennis and for a while looked set to become the first man to defeat Nadal in Monte Carlo since 2003.
"I did not expect this story was going to get so much attention, and everywhere in the world too, " he told the Gulf News ahead of his first match at the Mubadala World Tennis Championship.
At the World Tennis Tournament in the Dutch city of Rotterdam, Argentinian third seed Juan Martin Del Potro -- the 2009 U.S. Open champion -- beat Slovakian Karol Beck 6-4 7-5 to reach the last eight.
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Williams, who has won her four previous Australian Open finals, holds a 7-6 lead in career meetings, beating Henin in Miami in March 2008 shortly before the Belgian announced she was quitting tennis while still world number one.
Former world tennis No. 1 Rafael Nadal has restricted his appearances outside of the Wimbledon Championships, while Andre Agassi was ordered to pay a proportion of his sponsorship income after losing a U.K. court case in 2006.
On Saturday, Azarenka, Belarus's first-ever Grand Slam winner, also has much to play for, and tennis fans the world over will be hoping she's recovered from a rib problem that impaired her breathing during her semifinal win over American 19-year-old upstart Sloane Stephens Thursday.
And certainly both Williams sisters have been an inspiration for young tennis hopefuls, showing folks that silver spoons and country clubs are not a prerequisite for success in the world of professional tennis.
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This can provide a way for tennis fans around the world to make an impact.
Tennis complies with the World Anti-Doping Authority's code, which recommends a two-year ban for possession of prohibited substances.
The success of the best tennis tournament in the world is worth emphasising.
Caroline Wozniacki, once the No. 1 tennis player in the world, has been linked to McIlroy for nearly two years.
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Luckily there is a fledgling organization, World Team Tennis (WTT), that's at the forefront of bringing the sport completely into the 21st century.
Clijsters, who gave birth to daughter Jade Elie last February, has recently been in training and will play World Team Tennis in the United States in July.
Nike likely is not sweating Uniqlo, but the brand, still relatively unknown in the U.S., now has the top tennis player in the world and third ranked golfer.
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In 1974, she co-founded the World Team Tennis (WTT) Pro League where men and women play professional tennis on the same team and contribute equally to the outcome.
Not long ago, Monfils was the best junior tennis player in the world he won three of the four junior Grand Slam titles in 2004 and a can't-miss champion of the future.
In the bowels of Madison Square Garden Ivan Lendl, once the best tennis player in the world, sits in a small, windowless room that, one imagines, the CIA occasionally borrows for interrogations.
And in 1922 they moved to a new site on Church Road, the one that is familiar to tennis fans around the world today, although it has undergone some major overhauls since.
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