$ 0 0 Rafael Nadal celebrates his victory over Spain's David Ferrer at the end of their French tennis Open quarter final match at the Roland Garros stadium, in Paris, on June 4, 2014.Rafael Nadal of Spain returns the ball to his compatriot David Ferrer during their men's quarter-final match at the FrenchOpen tennis tournament at the Roland Garros stadium, in Paris, on June 4, 2014.Spain's David Ferrer serves to Spain's Rafael Nadal during their French tennis Open quarter final match at the Roland Garros stadium, in Paris, on June 4, 2014. Rafael Nadal returns the ball to Spain's David Ferrer during their French tennis Open quarter final match, in Paris, on June 4, 2014. Spain's David Ferrer serves to Spain's Rafael Nadal during their French tennis Open quarter final match at the Roland Garros stadium, in Paris, on June 4, 2014.David Ferrer during his men's quarter-final match against his compatriot Rafael Nadal, in Paris, on June 4, 2014.Spain's Rafael Nadal looks up during the French tennis Open quarter final match at the Roland Garros stadium, in Paris, on June 4, 2014Spain's Rafael Nadal (R) is congratulated by Spain's David Ferrer at the end of their French tennis Open quarter final match at the Roland Garros stadium, in Paris, on June 4, 2014.Spain's David Ferrer returns the ball to Spain's Rafael Nadal during their French tennis Open quarter final match at the Roland Garros stadium, in Paris, on June 4, 2014Rafael Nadal returns the ball to Spain's David Ferrer at the Roland Garros stadium, in Paris, on June 4, 2014.David Ferrer of Spain returns the ball to his compatriot Rafael Nadal at the Roland Garros stadium, in Paris, on June 4, 2014.Spain's Rafael Nadal returns the ball during the quarterfinal match of the FrenchOpen tennis tournament against Spain's David Ferrer at the Roland Garros stadium, in Paris, on June 4, 2014.