China have been forced to abandon their Davis Cup campaign, with coronavirus-linked travel limitations seeing a tie with Romania cancelled.
There were mixed fortunes for the French stars in Marseille on Monday, but sixth seed Benoit Paire advanced.
Garbine Muguruza beat Kim Clijsters in the Belgian's first match since 2012, but the four-time major champion saw some positives.
Garbine Muguruza battled to victory against Kim Clijsters, who was playing her first competitive match for more than seven years.
Ahead of his first match since his Australian Open final defeat, Dominic Thiem is in an optimistic mood.
World number eight Kiki Bertens is now in double figures for WTA titles after she once again proved to be a cut above in St Petersburg.
Felix Auger-Aliassime is still waiting for a first ATP triumph, but Gael Monfils has two in two weeks after winning the Rotterdam Open.