Fonseca won the next ATP Finals Gen – for the best male players aged 21 years and under – at the end of 2024.
He was the second leading champion in the tournament after number one Jannik Sinner, who won in 2019, and who persuaded Fonseca to become a professional after the hit session in 2023.
Fonseca then started the year with the ninth -seeded amazing excellent Andrey Rublev in the first round of Australia Open, with Grand Slam champion four times Spain Alcaraz told him as a future star.
Against Cerundolo, he returned from the initial details in the first set to lead and serve for matches in 5-4 and 6-5 above.
He broke twice again by his experienced opponent, but Fonseca took full control in the tie-break, only dropped one point before winning the title with the winner of the Forehand Slanted.
He will rise to 68 in the world ranking before traveling to his home tournament, Rio Open, which began on Monday.
