Switzerland's Roger Federer returns the ball to Chile's Fernando Gonzalez during their quarter-final match at the French Open tennis tournament at Roland Garros in Paris June 4, 2008.(Xinhua/Reuters Photo)
Switzerland's Roger Federer celebrates after defeating Chile's Fernando Gonzalez during their quarter-final match at the French Open tennis tournament at Roland Garros in Paris June 4, 2008.(Xinhua/Reuters Photo)