After shocking Team Canada to advance into the knockout rounds, Elise Mertens and Zizou Bergs will take on another big-name team in the quarterfinals.

On a relatively quiet day, Italy and France also try to get on the board against each other.

Iga Swiatek readies for her first shot at the career Slam in Australia, as Coco Gauff brings a retooled serve to a U.S. title defense.