A player has been withdrawn from the US Open, which starts on Monday, after testing positive for coronavirus.
The player, who has not been named, is showing no symptoms but must now isolate for 10 days.
On Sunday, French number 17 seed Benoit Paire was replaced in the men’s singles draw by Spain’s Marcel Granollers.
A US Tennis Association statement said: “A player has tested positive for Covid-19 and has been withdrawn from the tournament.”
Contact tracing will also determine if close contacts will need to quarantine for 14 days.
Paire had been scheduled to play Kamil Majchrzak in the first round at Flushing Meadows in New York on Tuesday, with the Polish player now listed as facing Granollers.