Joao Fonseca stuns No. 7 Arthur Fils at rain-delayed Rio Open
RIO DE JANEIRO — Joao Fonseca became the first player born in 2006 to win an ATP tour-level match when the 17-year-old
RIO DE JANEIRO — Joao Fonseca became the first player born in 2006 to win an ATP tour-level match when the 17-year-old