Stan Wawrinka of Switzerland kisses the trophy as he poses during the ceremony after winning the men's singles final match against Novak Djokovic of Serbia at the French Open tennis tournament at the Roland Garros stadium in Paris, France, June 7, 2015. REUTERS/Vincent Kessler TPX IMAGES OF THE DAY

Novak Djokovic of Serbia reacts during his men's final match against Stan Wawrinka of Switzerland at the French Open tennis tournament at the Roland Garros stadium in Paris, France, June 7, 2015. REUTERS/Gonzalo Fuentes TPX IMAGES OF THE DAY

Novak Djokovic of Serbia (R) congratulates Stan Wawrinka of Switzerland during the trophy ceremony after being defeated in their men's singles final match at the French Open tennis tournament at the Roland Garros stadium in Paris, France, June 7, 2015. REUTERS/Vincent Kessler TPX IMAGES OF THE DAY

Stan Wawrinka of Switzerland (R) hugs Novak Djokovic of Serbia after winning their men's final match at the French Open tennis tournament at the Roland Garros stadium in Paris, France, June 7, 2015. REUTERS/Vincent Kessler TPX IMAGES OF THE DAY

Tennis - French Open - Roland Garros, Paris, France - 7/6/15
Men's Singles - Switzerland's Stanislas Wawrinka hugs Serbia's Novak Djokovic after winning the final
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Novak Djokovic of Serbia reacts as he poses with the trophy during the ceremony after being defeated by Stan Wawrinka of Switzerland during their men's singles final match at the French Open tennis tournament at the Roland Garros stadium in Paris, France, June 7, 2015. REUTERS/Jean-Paul PelissierTPX IMAGES OF THE DAY

Stan Wawrinka of Switzerland celebrates after winning his men's singles final match against Novak Djokovic of Serbia during the French Open tennis tournament at the Roland Garros stadium in Paris, France, June 7, 2015. REUTERS/Vincent Kessler

Stan Wawrinka of Switzerland poses with the trophy during the ceremony after winning the men's singles final match against Novak Djokovic of Serbia at the French Open tennis tournament at the Roland Garros stadium in Paris, France, June 7, 2015. REUTERS/Vincent Kessler TPX IMAGES OF THE DAY

Stan Wawrinka of Switzerland (L) poses with his coach Magnus Norman and his trophy in the dressing room after winning the men's singles final match against Novak Djokovic of Serbia during the French Open tennis tournament at the Roland Garros stadium in Paris, France, June 7, 2015. REUTERS/Christophe Saidi/FFT/Pool

Stan Wawrinka of Switzerland celebrates after winning his men's singles final match against Novak Djokovic of Serbia during the French Open tennis tournament at the Roland Garros stadium in Paris, France, June 7, 2015. REUTERS/Pascal Rossignol TPX IMAGES OF THE DAY

Stan Wawrinka of Switzerland returns the ball to Novak Djokovic of Serbia during their men's final match at the French Open tennis tournament at the Roland Garros stadium in Paris, France, June 7, 2015. REUTERS/Gonzalo Fuentes TPX IMAGES OF THE DAY

Novak Djokovic of Serbia returns the ball to Stan Wawrinka of Switzerland during their men's final match at the French Open tennis tournament at the Roland Garros stadium in Paris, France, June 7, 2015. REUTERS/Pascal Rossignol TPX IMAGES OF THE DAY

Stan Wawrinka of Switzerland celebrates after winning his men's singles final match against Novak Djokovic of Serbia during the French Open tennis tournament at the Roland Garros stadium in Paris, France, June 7, 2015. REUTERS/Gonzalo Fuentes TPX IMAGES OF THE DAY

Stan Wawrinka of Switzerland returns the ball to Novak Djokovic of Serbia during their men's final match at the French Open tennis tournament at the Roland Garros stadium in Paris, France, June 7, 2015. REUTERS/Gonzalo Fuentes TPX IMAGES OF THE DAY

Tennis - French Open - Roland Garros, Paris, France - 7/6/15
Men's Singles - Serbia's Novak Djokovic in action during the final
Action Images via Reuters / Jason Cairnduff
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Tennis - French Open - Roland Garros, Paris, France - 7/6/15
Men's Singles - Serbia's Novak Djokovic in action during the final
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Tennis - French Open - Roland Garros, Paris, France - 7/6/15
Men's Singles - Serbia's Novak Djokovic in action during the final
Action Images via Reuters / Jason Cairnduff
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Tennis - French Open - Roland Garros, Paris, France - 7/6/15
Men's Singles - Serbia's Novak Djokovic in action during the final
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Novak Djokovic of Serbia returns the ball to Stan Wawrinka of Switzerland during their men's final match at the French Open tennis tournament at the Roland Garros stadium in Paris, France, June 7, 2015. REUTERS/Pascal Rossignol

Stan Wawrinka of Switzerland reacts during his men's final match against Novak Djokovic of Serbia at the French Open tennis tournament at the Roland Garros stadium in Paris, France, June 7, 2015. REUTERS/Gonzalo Fuentes

Novak Djokovic of Serbia returns the ball to Stan Wawrinka of Switzerland during their men's final match at the French Open tennis tournament at the Roland Garros stadium in Paris, France, June 7, 2015. REUTERS/Gonzalo Fuentes TPX IMAGES OF THE DAY

Novak Djokovic of Serbia returns the ball to Stan Wawrinka of Switzerland during their men's final match at the French Open tennis tournament at the Roland Garros stadium in Paris, France, June 7, 2015. REUTERS/Gonzalo Fuentes

French actor Jean Dujardin (R) kisses his partner Nathalie Pechalat as they watch the men's singles final match between Novak Djokovic of Serbia and Stan Wawrinka of Switzerland at the French Open tennis tournament at the Roland Garros stadium in Paris, France, June 7, 2015. REUTERS/Jean-Paul Pelissier

Stan Wawrinka of Switzerland returns the ball to Novak Djokovic of Serbia during their men's final match at the French Open tennis tournament at the Roland Garros stadium in Paris, France, June 7, 2015. REUTERS/Gonzalo Fuentes

Tennis - French Open - Roland Garros, Paris, France - 7/6/15
Men's Singles - General view during the final
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