The Madison Keys who will play two-time defending champion Aryna Sabalenka for the title at the Australian Open is not the same players who was the runner-up at the U.S. Open in 2017.

Djokovic is only interested in tennis' biggest prizes. He still has the game to win them, but at age 37 his body is letting him down

It has been over seven years since Madison Keys crushed CoCo Vandeweghe in the 2017 US Open semifinal. Sloane Stephens defeated her close friend in the final, and it seemed like Keys might never get another opportunity to play in a Grand Slam final after suffering some heartbreaking moments in the years that followed.