For five #NextGenATP stars (players 21 and under), the first quarter of the 2022 ATP Tour season was a time for career-best wins, breakthrough starts and titles at both the Tour and Challenger levels. Eighteen-year-old Carlos Alcaraz lifted his first ATP Masters 1000 and ATP 500 trophies, while Jannik Sinner reached the quarterfinals at the Australian Open and Miami Open presented by Itau.Czech Jiri Lehecka and Italian Lorenzo Musetti made their mark at the ABN AMRO World Tennis Tournament in Rotterdam and Britain’s Jack Draper tasted success on the ATP Challenger Tour. No. 1 Carlos Alcaraz, 1,950 points The Spaniard began the …