Kazakhstan's Andrey Golubev, left, watched by his doubles partner Aleksandr Nedovyesov, right, returns the ball to Switzerland's Roger Federer and Stanislas Wawrinka, during their doubles match of the tennis Davis Cup World Group quarterfinal match between Switzerland and Kazakhstan in Geneva, Switzerland, Saturday, April 5, 2014. (AP Photo/Keystone,Salvatore Di Nolfi)
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