India, Feb. 1 -- Moments before stepping onto court in his attempt to scale an unconquered peak then, Carlos Alcaraz, with those large headphones strapped to his ears, was grooving along and goofing around with his team.

Minutes after the conquest had been completed, Alcaraz, unable to stop grinning from ear to ear, was singing along and spraying champagne around his team.

This is a kid at heart at 22. This is an all-court, all-season champion of tennis at 22. This is the youngest man ever to complete the career Grand Slam in history at 22. This, to quote the legend that he beat to get there, is already "legendary" at 22.

No one had defeated Novak Djokovic in a final of the Australian Open, until Alcaraz turned up to rewrite records wi...