Tough one for Madison “Maddie” Keys fans—her Australian Open title defense came to a halt in the fourth round after a straight-sets loss to Jessica Pegula. Keys kept it classy, saying it’s not the end of the world and she’s proud to have been the champ. The Pegula-Keys rivalry is heating up, and Pegula now moves on to face Amanda Anisimova in the quarters. What do you think Keys should tweak for her next run? #Sports #Tennis #AustralianOpen