Brazilian teenager Joao Fonseca is hoping to follow in the footsteps of his idol and world number one Jannik Sinner by winning the Next Gen ATP Finals title in Sunday's final at Jeddah, Saudi Arabia. Should the 18-year-old triumph at the $2.05 million prize money tournament for players aged 20 and under, he will be its second-youngest champion behind Sinner, who hoisted the trophy in 2019. "It would be amazing to replicate Sinner," said Fonseca, a hitting partner for Sinner at last year's ATP