Joao Fonseca is a Grand Slam junior champion…
The 17-year-old Brazilian tennis player, the tournament’s No. 7 seed, won the boys division title at the US Open by beating Learner Tien 4-6, 6-4, 6-3.
Fonseca previously reached the boys doubles final at the 2023 Australian Open with partner Alexander Blockx, losing to Tien and Cooper Williams 4-6, 4-6.
Fonseca, the ninth South American to reach the boys final, is the sixth to lift the champion trophy.