Keys got the better of her childhood rival, who has become a controversial figure in Melbourne, on Rod Laver Arena, and made new fans with her ringing endorsement of the city’s coffee scene.

Plus, Grand Slam champs Iga Swiatek and Emma Raducanu's divergent paths cross again in the third round.

That should come as no surprise, given the way Djokovic gets into back-and-forths with hecklers at his matches—including Friday night at Rod Laver Arena.