Richard Gasquet of France falls as he plays against Andy Murray of Britain during their men’s single quarter final match at the French Open tennis tournament at Roland Garros in Paris, France, 01 June 2016. EPA/YOAN VALAT

Novak Djokovic of Serbia in action against Roberto Bautista Agut of Spain during their men’s single round of 16 match at the French Open tennis tournament at Roland Garros in Paris, France, 01 June 2016. EPA/IAN LANGSDON

Serena Williams of the USA in action against Elina Svitolina of Ukraine during their women’s single round of 16 match at the French Open tennis tournament at Roland Garros in Paris, France, 01 June 2016. EPA/YOAN VALAT

Andy Murray of Britain in action against Richard Gasquet of France during their men’s single quarter final match at the French Open tennis tournament at Roland Garros in Paris, France, 01 June 2016. EPA/YOAN VALAT

Samantha Stosur of Australia in action against Tsvetana Pironkova of Bulgaria during their women’s single quarter final match at the French Open tennis tournament at Roland Garros in Paris, France, 01 June 2016. EPA/IAN LANGSDON