Carlos Alcaraz and Jannik Sinner have dominated men's tennis in recent years - but the world No. 1 believes a third player could emerge as their rival

Carlos Alcaraz, the world No. 1, may have officially ended his 2025 season, but he's gearing up for a highly anticipated match at an exhibition event in Miami next month.

The six-time Major winner is set to go head-to-head with teenage sensation Joao Fonseca for the first time at the Miami Invitational, where they'll also team up with Jessica Pegula and Amanda Anisimova for a mixed doubles 10-point tiebreak.

Fonseca has had a stellar season, starting the year ranked outside of the world's top 100 and finishing it at a career-high of No. 24. The Brazilian qualified for the Australian Open and shocked ninth seed Andrey Rublev on his Gra

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