Lucie Safarova of Czech Republic in action against Serena Williams of the USA during the women’s final match for the French Open tennis tournament at Roland Garros in Paris, France, 06 June 2015. EPA/ROBERT GHEMENT

Serena Williams of the USA in action against Lucie Safarova of Czech Republic during the women’s final match for the French Open tennis tournament at Roland Garros in Paris, France, 06 June 2015. EPA/ROBERT GHEMENT

Lucie Safarova of Czech Republic reacts as she plays Serena Williams of the USA during the women’s final match for the French Open tennis tournament at Roland Garros in Paris, France, 06 June 2015. EPA/YOAN VALAT

Serena Williams of the USA in action against Lucie Safarova of Czech Republic during the women’s final match for the French Open tennis tournament at Roland Garros in Paris, France, 06 June 2015. EPA/IAN LANGSDON

Lucie Safarova of Czech Republic poses with the runner-up trophy after losing against Serena Williams of the USA in the women’s final match for the French Open tennis tournament at Roland Garros in Paris, France, 06 June 2015. EPA/ROBERT GHEMENT

Serena Williams of the USA poses with the winner’s trophy after beating Lucie Safarova of Czech Republic in the women’s final match for the French Open tennis tournament at Roland Garros in Paris, France, 06 June 2015. EPA/ROBERT GHEMENT