Fed Cup
Victoria Azarenka crushed Samantha Stosur to send the Fed Cup semi-final between Australia and Belarus into a deciding fifth rubber in Brisbane on Sunday.
World number 20 Mladenovic was blown away in the opening set before she dug deep to take a 3-0 lead in the second, only for Vandeweghe to level again.
Serena Williams' return to the WTA Tour following the birth of her first child will be the "greatest challenge" of her career, according to her coach.