The Williams sisters last played together at the 2018 French Open.
The interview came after Williams won her second U.S. Open match Wednesday night.
Williams announced she was stepping down from the sport earlier this month.
Watch the tennis greats at the US Open.
Golf's biggest showcase takes place on Thursday. June 16. Here's everything to know.
The Oscar winner's emotive facial expression is making the rounds!
The tennis pro broke her silence on the controversial match against Serena Williams
Watch the emotional trophy ceremony here.
The beloved TV personality is addressing her pro athlete friend's recent scandal.
A campaign has begun to get the singer to headline the mother of all sporting events!
The retired actor took in some tennis on Tuesday.