Carlos Alcaraz claimed his second Miami Open title on Sunday, dispatching world No. 2 Jannik Sinner in a compelling three-set final that kept a sell-out crowd at Hard Rock Stadium on the edge of their seats for nearly three hours. The 22-year-old Spaniard, who entered the tournament as the top seed following a dominant run through the draw, sealed the victory 7-5, 4-6, 6-3 to complete the ATP Masters 1000 double after his Indian Wells triumph a fortnight ago — a feat previously achieved only by Andre Agassi and Novak Djokovic in the same calendar year.

Alcaraz was relentless in the opening set, exploiting Sinner's slightly reduced mobility after the Italian had battled through a gruelling semifinal just the day before. The Spaniard's forehand was at its devastating best, firing 23 winners and forcing the Italian into repeated defensive positions along the baseline. Sinner, to his immense credit, rallied emphatically in the second set, breaking Alcaraz twice to level the match and silence what had become an increasingly partisan Miami crowd.

The decider, however, belonged entirely to Alcaraz. He broke Sinner's serve at 3-3 with a stunning cross-court backhand that brought the crowd to its feet, and he never relinquished the advantage. Serving out the match with characteristic composure at 5-3, he converted his first championship point with an ace clocked at 134 mph. The victory extended his unbeaten record in ATP 1000 finals to six matches and pushed his ranking points lead over Sinner to a commanding margin heading into the European clay season.

"This is one of the best weeks of my career," Alcaraz told the on-court interviewer after receiving the Butch Buchholz Trophy. "Beating Jannik in a final like this, in front of this crowd — it means everything. Now I am very hungry for Roland Garros." Sinner was gracious in defeat, acknowledging that Alcaraz had simply been the better player on the day, but hinted that the rivalry would intensify when the clay of Monte Carlo and Barcelona come into play next month.

For tournament director James Blake, the final was a fitting capstone to what he described as a record-breaking fortnight in South Florida, with attendance figures for the two-week event surpassing 400,000 for the first time in the Miami Open's history. With both men now locked in one of the sport's most riveting rivalries, the build-up to the French Open in late May looks set to dominate the tennis conversation for weeks to come.