Remember the name, Fonseca. Young champion 🏆

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Teenager Joao Fonseca showing why he is one of tennis' most promising stars as he beat Francisco Cerundolo to claim his first ATP Tour title in Buenos Aires.

Fonseca is the fourth youngest man since 2000 to win an ATP singles title - after Kei Nishikori, Rafael Nadal and Carlos Alcaraz. #fonseca