Serbia's Janko Tipsarevic returns the ball to Canada's Vasek Pospisil during their Davis Cup semi-final match at Belgrade Arena on September 15, 2013. Serbia, the 2010 champions, will host the November 15-17 final against the Czechs who defeated Argentina 3-2 in their semi-final in Prague. AFP PHOTO / STRINGER (Photo credit should read STR/AFP/Getty Images)
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