A rare late-May heat wave is gripping the French Open, testing players and softening the clay courts at Roland Garros.

The record heat wave in Paris that has hit the opening days of the French Open is expected to last until late this week.

As the sun beat down on Paris, it sapped energy as much as it produced the hottest matches, and shots, of the event so far.

With the French Open hit by a heatwave, Chris Stubbs finds out how the fans are staying cool.