Joao Fonseca, 18, wins maiden title in Buenos Aires

Four quarterfinal spots will be up for grabs at the ATP 250 in Buenos Aires. Second seed Holger Rune gets his campaign ...
Brazilian 18-year-old Joao Fonseca saved two match points and pushed past Argentina's Mariano Navone 3-6, 6-4, 7-5 in the quarterfinals of the IEB+ Argentina Open on Friday in Buenos Aires.