Vienna finalist joins John Isner, Reilly Opelka, Jack Sock and Rajeev Ram on Team USA.
The 2021 ATP season came to an end on Sunday in Turin - here's how the rankings shape up.
A look at the WTA's year-end 2021 rankings...
The IOC has contacted the Chinese star vie video conference call.
The WTA CEO Says: While it is positive to see her, it remains unclear if she is free and able to make decisions and take actions on her own, without coercion or external interference.
"All the players here are concerned and worried," Casper Ruud said of Peng Shuai.
John McEnroe takes on brother Patrick McEnroe in Antarctica and you can be there to see a historic first.