The world of professional tennis has come a long way since the beginning of its open era in the late sixties….only forty years ago. And, almost at the same...
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Spectators in the crowd show their support in the third round match between Maria Kirilenko of Russia and Roberta Vinci of Italy during day five of the 2010 Australian Open
Bethanie Mattek-Sands of the United States returns a shot against Venus Williams of the United States during day three of the 2009 U.S. Open at the USTA Billie Jean King National Tennis Center on September 2, 2009
Jelena Dokic plays a forehand in her quarter final match against Brittany Sheed during the 2009 Australian Open Wildcard Play-offs at Melbourne Park on December 19, 2008 in Melbourne, Australia
Serena Williams of the United States of America plays a forehand in her women\'s final match against Justine Henin of Belgium during day thirteen of the 2010 Australian Open
Novak Djokovic of Serbia serves against Ivan Ljubicic of Croatia during day two of the 2009 U.S. Open at the USTA Billie Jean King National Tennis Center on September 1, 2009
Nikolay Davydenko of Russia signs autographs after winning his second round match against Illya Marchenko of Ukraine during day four of the 2010 Australian Open
