Stanislas Wawrinka

fe02d6cf87e8960d500f6a7067001fb7.jpg

Stanislas Wawrinka, of Switzerland, reacts after winning a break game against to Mikhail Kukushkin, of Kazakhstan, during the third single match of the tennis Davis Cup World Group quarterfinal between Switzerland and Kazakhstan, in Geneva, Switzerland, Sunday, April 6, 2014. (AP Photo/Keystone,Salvatore Di Nolfi)

b37269cf879b950d500f6a7067004848.jpg

Stanislas Wawrinka, of Switzerland, shouts after losing a game against to Mikhail Kukushkin, of Kazakhstan, during the third single match of the tennis Davis Cup World Group quarterfinal between Switzerland and Kazakhstan, in Geneva, Switzerland, Sunday, April 6, 2014. (AP Photo/Keystone,Salvatore Di Nolfi)

c11e2fb5879b950d500f6a7067007356.jpg

Mikhail Kukushkin, of Kazakhstan, returns a ball to Stanislas Wawrinka, of Switzerland, during the third single match of the tennis Davis Cup World Group quarterfinal between Switzerland and Kazakhstan, in Geneva, Switzerland, Sunday, April 6, 2014. (AP Photo/Keystone,Salvatore Di Nolfi)

a44bceac87d2960d500f6a706700caba.jpg

Stanislas Wawrinka, of Switzerland, returns a ball to Mikhail Kukushkin, of Kazakhstan, during the third single match of the tennis Davis Cup World Group quarterfinal between Switzerland and Kazakhstan, in Geneva, Switzerland, Sunday, April 6, 2014. (AP Photo/Keystone,Salvatore Di Nolfi)

026aefe663667c0d500f6a70670050d4.jpg

Switzerland's Roger Federer, left, next to his doubles partner Stanislas Wawrinka, right, returns the ball to Kazakhstan's Aleksandr Nedovyesov, and Andrey Golubev, 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 Phtoo/Keystone,Salvatore Di Nolfi)

767d980a64117f0d500f6a7067002629.jpg

Switzerland's Stanislas Wawrinka, right, speaks with his doubles partner Roger Federer, left, during their doubles match of the Davis Cup World Group Quarterfinal match between Switzerland and Kazakhstan in Geneva, Switzerland, Saturday, April 5, 2014. Roger Federer and Stanislas Wawrinka lost the doubles match to Andrey Golubev and Aleksandr Nedovyesov on Saturday, giving Kazakhstan a 2-1 lead over Switzerland in the Davis Cup quarterfinals. (AP Photo/Keystone,Salvatore Di Nolfi)

9aae932264117f0d500f6a706700e21a.jpg

Kazakhstan's Aleksandr Nedovyesov, left, and his doubles partner Andrey Golubev, right, celebrate after beating Switzerland's doubles 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. Roger Federer and Stanislas Wawrinka lost the doubles match to Andrey Golubev and Aleksandr Nedovyesov on Saturday, giving Kazakhstan a 2-1 lead over Switzerland in the Davis Cup quarterfinals. (AP Photo/Keystone,Salvatore Di Nolfi)

527508ee63dd7f0d500f6a706700e18a.jpg

Switzerland's Roger Federer, left, speaks with his doubles partner Stanislas Wawrinka, right, during their doubles match of the Davis Cup World Group Quarterfinal match between Switzerland and Kazakhstan in Geneva, Switzerland, Saturday, April 5, 2014. (AP Photo/Keystone,Salvatore Di Nolfi)