Teenage rising star Joao Fonseca said nerves got the better of him after being bundled out of the Australian Open by Italian Lorenzo Sonego in a five-set thriller on Thursday.

Joao Fonseca could not follow up his first-round victory over Andrey Rublev at the Australian Open, losing to Lorenzo Sonego on Thursday.

18-year-old Joao Fonseca ended his winning streak in the Australian Open second round. The young gun suffered a 6-7, 6-3, 6-1, 3-6, 6-3 loss to Lorenzo Sonego in three hours and 37 minutes, giving everything but ending his first Major journey.

Italy's Lorenzo Sonego beat Brazilian Joao Fonseca, widely considered the rising star of international tennis, 6-7 6-3 6-1 3-6 6-3 on Thursday to reach the third round of the Australian Open. Lorenzo Musetti is also in the third round after beating Canadian Denis Shapovalov 7-6,