LONDON, ENGLAND - NOVEMBER 26: Jo-Wilfried Tsonga of France celebrates winning the men's singles semi-final match against Tomas Berdych of Czech Republic during the Barclays ATP World Tour Finals at the O2 Arena on November 26, 2011 in London, England. Tsonga won 6-3 7-5 and will meet Roger Federer of Switzerland in the final. (Photo by Clive Brunskill/Getty Images)
