Grinning from ear to ear during the decisive tiebreak, Carlos Alcaraz erased a two-set deficit in a major for the first time in his career and erased three championship points to upend top-ranked Jannik Sinner 4-6,

The 22-year-old Alcaraz came back from two sets down for the first time in his career to remain undefeated in Grand Slam finals.

The two best men's tennis players in the world delivered an epic Sunday — but how did their bodies and minds cope with the exertion?