$ 0 0 Serbia's Novak Djokovic reacts after winning a point during his French tennis Open quarter final match against Canada's Milos Raonic at the Roland Garros stadium, in Paris, on June 3, 2014.Canada's Milos Raonic reacts after a point during his French tennis Open quarter final match against Serbia's Novak Djokovic at the Roland Garros stadium, in Paris, on June 3, 2014.Milos Raonic returns the ball to Serbia's Novak Djokovic during their quarterfinal match of the FrenchOpen tennis tournament, in Paris, on June 3, 2014.Serbia's Novak Djokovic hits a return to Canada's Milos Raonic during their French tennis Open quarter final match at the Roland Garros stadium, in Paris, on June 3, 2014.Novak Djokovic of Serbia after winning his men's quarter-final match against Milos Raonic of Canada at the FrenchOpen tennis tournament at the Roland Garros stadium, in Paris, on June 3, 2014.Serbia's Novak Djokovic (R) shakes hands with Canada's Milos Raonic at the end of their French tennis Open quarter final match againstat the Roland Garros stadium, in Paris, on June 3, 2014.Serbia's Novak Djokovic (R) shakes hands with Canada's Milos Raonic at the end of their French tennis Open quarter final match againstat the Roland Garros stadium, in Paris, on June 3, 2014.Novak Djokovic celebrates his victory over Canada's Milos Raonic at the end of their French tennis Open quarter final match againstat the Roland Garros stadium, in Paris, on June 3, 2014. Novak Djokovic returns the ball to Canada's Milos Raonic during their quarterfinal match of the FrenchOpen tennis tournament at the Roland Garros stadium, in Paris, on June 3, 2014. Serbia's Novak Djokovic hits a return to Canada's Milos Raonic during their French tennis Open quarter final match at the Roland Garros stadium, in Paris, on June 3, 2014.