Roger Federer of Switzerland celebrates his victory over Mikhail Kukushkin of Kazakhstan during their Davis Cup quarterfinal at Palexpo in Geneva, Switzerland, April 4, 2014. Federer won the match 3-0. (Xinhua/Wang Siwei)
Roger Federer of Switzerland returns a shot to Mikhail Kukushkin of Kazakhstan during their Davis Cup quarterfinal at Palexpo in Geneva, Switzerland, April 4, 2014. Federer won the match 3-0. (Xinhua/Wang Siwei)
Roger Federerof Switzerland celebrates a score against Mikhail Kukushkin of Kazakhstan during their Davis Cup quarterfinal at Palexpo in Geneva, Switzerland, April 4, 2014. Federer won the match 3-0. (Xinhua/Wang Siwei)
Roger Federerof Switzerland serves to Mikhail Kukushkin of Kazakhstan during their Davis Cup quarterfinal at Palexpo in Geneva, Switzerland, April 4, 2014. Federer won the match 3-0. (Xinhua/Wang Siwei)
Roger Federerof Switzerland returns a shot to Mikhail Kukushkin of Kazakhstan during their Davis Cup quarterfinal at Palexpo in Geneva, Switzerland, April 4, 2014. Federer won the match 3-0. (Xinhua/Wang Siwei)
Roger Federerof Switzerland returns a shot to Mikhail Kukushkin of Kazakhstan during their Davis Cup quarterfinal at Palexpo in Geneva, Switzerland, April 4, 2014. Federer won the match 3-0. (Xinhua/Wang Siwei)
Roger Federerof Switzerland returns a shot to Mikhail Kukushkin of Kazakhstan during their Davis Cup quarterfinal at Palexpo in Geneva, Switzerland, April 4, 2014. Federer won the match 3-0. (Xinhua/Wang Siwei)