NOVI SAD, SERBIA - FEBRUARY 01: (L-R) Marco Chiudinelli, Michael Lammer, Stanislas Wawrinka, Roger Federer and team captain Severin Luthi celebrate victory against Serbia after their men's doubles match on day two of the Davis Cup on February 01, 2014 in Novi Sad, Serbia. (Photo by Srdjan Stevanovic/Getty Images)
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