Each has shown their clay-court pedigree before, now it's a matter of translating it to the biggest stages.

Featuring squads from Italy, France, Spain, Greece, Canada and reigning champion Croatia, the event is scheduled the week after Wimbledon.

The second-round match between No. 3 seed Flavio Cobolli and Jesper de Jong was twice interrupted as heavy rains in the area resulted in an in-arena blackout.