Fonseca earns his first victory in Miami and joins Humbert in the second round
Fonseca emerged victorious in his match against Tien in a rematch of the Next Gen ATP Finals.
The Brazilian won his first match in Miami, securing the win in three sets (6-7, 6-3, 6-4).
After winning Buenos Aires and the Phoenix Challenger, the 18-year-old player continues his momentum in 2025.
Qualified for the second round, he will face Frenchman Ugo Humbert.
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