Be brave. Go for it. Those were the mantras Madison Keys turned to as she confronted the most significant points of her tennis career, trapped in the cauldron of a third set that was tied at 5-all, 30-all in the Australian Open final against two-time defending champion Aryna Sabalenka on Saturday. No reason to be anything but aggressive now, Keys thought, per the AP . No reason to worry—as the American long did along the journey from prodigy at age 12 to major champion less than a month before her 30th birthday—about what would happen if things didn’t quite work out.