Stanislas Wawrinka of Switzerland team walks away with a broken racket during the tennis Davis Cup World Group quarter-final match against Andrey Golubev of Kazakhstan team in Geneva, Switzerland, April 4, 2014. (Xinhua/Wang Siwei)
Stanislas Wawrinka of Switzerland team returns to Andrey Golubev of Kazakhstan during the tennis Davis Cup World Group quarter-final match in Geneva, Switzerland, April 4, 2014. (Xinhua/Wang Siwei)
Stanislas Wawrinka of Switzerland team returns to Andrey Golubev of Kazakhstan during the tennis Davis Cup World Group quarter-final match in Geneva, Switzerland, April 4, 2014. (Xinhua/Wang Siwei)
Stanislas Wawrinka of Switzerland team returns to Andrey Golubev of Kazakhstan during the tennis Davis Cup World Group quarter-final match in Geneva, Switzerland, April 4, 2014. (Xinhua/Wang Siwei)
Stanislas Wawrinka of Switzerland team picks up a broken racket during the tennis Davis Cup World Group quarter-final match against Andrey Golubev of Kazakhstan team in Geneva, Switzerland, April 4, 2014. (Xinhua/Wang Siwei)
Stanislas Wawrinka of Switzerland team serves to Andrey Golubev of Kazakhstan during the tennis Davis Cup World Group quarter-final match in Geneva, Switzerland, April 4, 2014. (Xinhua/Wang Siwei)
Stanislas Wawrinka (2nd L) of Switzerland team reacts before the tennis Davis Cup World Group quarter-final match between Switzerland and Kazakhstan in Geneva, Switzerland, April 4, 2014. (Xinhua/Wang Siwei)
Stanislas Wawrinka of Switzerland team returns to Andrey Golubev of Kazakhstan during the tennis Davis Cup World Group quarter-final match in Geneva, Switzerland, April 4, 2014. (Xinhua/Wang Siwei)
Stanislas Wawrinka of Switzerland team serves to Andrey Golubev of Kazakhstan during the tennis Davis Cup World Group quarter-final match in Geneva, Switzerland, April 4, 2014. (Xinhua/Wang Siwei)