$ 0 0 Serbia's Novak Djokovic celebrates his triumphant victory over France's Jo-Wilfried Tsonga at the end of their French tennis Open round of sixteen match at the Roland Garros stadium, in Paris, on June 1, 2014.Novak Djokovic of Serbia (L) greets Jo-Wilfried Tsonga of France after their men's singles match at the FrenchOpen tennis tournament at the Roland Garros stadium, in Paris, on June 1, 2014.Serbia's Novak Djokovic (R) shakes hands with France's Jo-Wilfried Tsonga at the end of their French tennis Open round of sixteen match at the Roland Garros stadium, in Paris, on June 1, 2014.Novak Djokovic feels thrilled over France's Jo-Wilfried Tsonga at the end of their French tennis Open round of sixteen match at the Roland Garros stadium, in Paris, on June 1, 2014. Novak Djokovic celebrates after winning his men's singles match against Jo-Wilfried Tsonga of France at the FrenchOpen tennis tournament at the Roland Garros stadium, in Paris, on June 1, 2014.France's Jo-Wilfried Tsonga hits a return to Serbia's Novak Djokovic during their French tennis Open round of sixteen match at the Roland Garros stadium, in Paris, on June 1, 2014. Jo-Wilfried Tsonga crashes during his men's singles match against Novak Djokovic of Serbia, in Paris, on June 1, 2014.France's Jo-Wilfried Tsonga misses a return during the fourth round match of the FrenchOpen tennis tournament against Serbia's Novak Djokovic at the Roland Garros stadium, in Paris, on June 1, 2014. Novak Djokovic celebrates his victory over France's Jo-Wilfried Tsonga, in Paris, on June 1, 2014.Serbia's Novak Djokovic celebrates his victory over France's Jo-Wilfried Tsonga at the end of their French tennis Open round of sixteen match at the Roland Garros stadium, in Paris, on June 1, 2014.