People wait inside of the Court Philippe Chatrier as the start of day 9 is delayed due to rain at the French Open tennis tournament at Roland Garros in Paris, France, 30 May 2016. EPA/ROBERT GHEMENT

People wait in the stands of Court Philippe Chatrier as the start of day 9 is delayed due to rain at the French Open tennis tournament at Roland Garros in Paris, France, 30 May 2016. EPA/ROBERT GHEMENT

People wait as the start of day 9 is delayed due to rain at the French Open tennis tournament at Roland Garros in Paris, France, 30 May 2016. EPA/ROBERT GHEMENT

A general view of an almost empty Court Philippe Chatrier as the start of day 9 is delayed due to rain at the French Open tennis tournament at Roland Garros in Paris, France, 30 May 2016. EPA/ROBERT GHEMENT

People wait in the stands of Court Philippe Chatrier as the start of day 9 is delayed due to rain at the French Open tennis tournament at Roland Garros in Paris, France, 30 May 2016. EPA/ROBERT GHEMENT