Brazilian teenager Joao Fonseca said his ATP Next Gen Finals triumph in Jeddah on Sunday had left him dreaming of emulating Jannik Sinner and Carlos Alcaraz by becoming world number one. The 18-year-old from Rio de Janeiro lit up the tournament for players aged 20 and under, beating American Learner Tien in the title clash to earn over $500,000 in prize money for remaining unbeaten throughout. It capped a spectacular campaign for Fonseca, who rose to number 145 in the world rankings after