Lleyton Hewitt tops the list of youngest ATP Tour champions. Tennis records keep breaking and this time it was the turn of young sensation Joao Fonseca. The Brazilian has at a young age captured the ...

1. Lleyton Hewitt – 16 years, 10 months, 9 days – Adelaide 1998 Future world No 1 Lleyton Hewitt was still in school when he took part in the Adelaide event in 1998. Sitting at No 550 in the rankings, ...

Lleyton Hewitt, who serves as de Minaur's mentor and part-time coach, and even invited the young star to live in his family home when he was starting out, remains the lone Aussie to win the ATP ...