$ 0 0 Roger Federer of Switzerland acknowledges spectators after winning his men's singles match against Diego Sebastian Schwartzman of Argentina at the FrenchOpen tennis tournament at the Roland Garros stadium in Paris May 28, 2014. Switzerland's Roger Federer returns to Argentina's Diego Sebastian Schwartzman during their French tennis Open second round match at the Roland Garros stadium in Paris on May 28, 2014.Argentina's Diego Sebastian Schwartzman returns the ball to Switzerland's Roger Federer during the second round match of the FrenchOpen tennis tournament at the Roland Garros stadium, in Paris, France, Wednesday, May 28, 2014. Federer won 6-3, 6-4, 6-4. Switzerland's Roger Federer waits for a service by Argentina's Diego Sebastian Schwartzman during their French tennis Open second round match at the Roland Garros stadium in Paris on May 28, 2014.Switzerland's Roger Federer waves after defeating Argentina's Diego Sebastian Schwartzman during the second round match of the FrenchOpen tennis tournament at the Roland Garros stadium, in Paris, France, Wednesday, May 28, 2014. Federer won 6-3, 6-4, 6-4.Diego Sebastian Schwartzman of Argentina returns a backhand to Roger Federer of Switzerland during their men's singles match at the FrenchOpen tennis tournament at the Roland Garros stadium in Paris May 28, 2014.Argentina's Diego Sebastian Schwartzman returns to Switzerland's Roger Federer during their French tennis Open second round match at the Roland Garros stadium in Paris on May 28, 2014.Switzerland's Roger Federer gets ready to serve to Argentina's Diego Sebastian Schwartzman during their French tennis Open second round match at the Roland Garros stadium in Paris on May 28, 2014.