It may be hot outside, but the real 🔥 will be on the court. We’ve got 11 #USTennis stars in action on day three, including @serenawilliams, @jack.sock, @sloanestephens, and @venuswilliams. Throw a 😆 if you’re ready to catch the #USOpen action all day. #tennis #serenawilliams #serena #usta #venuswilliams #jacksock #sloanestephens #sloane #venus