With Kenin serving at 5-7, 5-4, 15-0, Flipkens retreated to return a moonball. After slightly leaping to hit a forehand, the Belgian’s left ankle struck a sponsor board on its way down. She immediately clutched her ankle, appearing to roll it.

The Frenchwoman was one of seven players found to be in close contact with Benoit Paire, and placed under stricter quarantine regulations within the bubble.

After Benoit Paire, a Frenchman seeded 17th, was taken out of the draw Sunday because of his test result, contact tracing determined there were seven players who potentially could have been exposed to COVID-19.

Wimbledon approaches with players getting in their last bit of preparation.

Tsitsipas has the game to make an extended run in this tournament, but this match could be the one that trips him up.