FILE - In this Friday, Aug. 31, 2018, file photo, Serena Williams, left, embraces her sister Venus Williams after their third-round match at the U.S. Open tennis tournament in New York. Serena Williams won 6-1, 6-2. The siblings meet each other for the 31st time when they take the court at a WTA tournament in Kentucky on Thursday, Aug. 13, 2020. (AP Photo/Adam Hunger, File)