Dominic Thiem of Austria in action against Novak Djokovic of Serbia during their men’s single semi final match at the French Open tennis tournament at Roland Garros in Paris, France, 03 June 2016. EPA/ETIENNE LAURENT

Andy Murray of Britain in action against Stan Wawrinka of Switzerland during their men’s single semi final match at the French Open tennis tournament at Roland Garros in Paris, France, 03 June 2016. EPA/ROBERT GHEMENT

Novak Djokovic of Serbia in action against Dominic Thiem of Austria during their men’s single semi final match at the French Open tennis tournament at Roland Garros in Paris, France, 03 June 2016. EPA/ETIENNE LAURENT

Garbine Muguruza of Spain reacts after winning against Samantha Stosur of Australia during their women’s single semi final match at the French Open tennis tournament at Roland Garros in Paris, France, 03 June 2016. EPA/ETIENNE LAURENT

Samantha Stosur of Australia in action against Garbine Muguruza of Spain during their women’s single semi final match at the French Open tennis tournament at Roland Garros in Paris, France, 03 June 2016. EPA/Caroline Blumberg

Serena Williams of the USA reacts as she plays against Kiki Bertens of the Netherlands during their women’s single semi final match at the French Open tennis tournament at Roland Garros in Paris, France, 03 June 2016. EPA/ROBERT GHEMENT