Brazil’s Joao Fonseca is just 18 but he upset the No. 9 seed at the Australian Open
Joao Fonseca definitively introduced himself to the world as the latest teen sensation in men’s tennis, upsetting No. 9 seed ...
Who will be 'the next big thing' in men's tennis?
Opinion - Every sport is looking for the "next big thing" and in men's tennis it's about finding replacements for greats ...