Tiafoe admits to lacking confidence in prior meetings against the Big 3

American tennis pro Frances Tiafoe has stated he did not believe he could beat any of the 'Big 3' when he faced Roger Federer, Rafael Nadal and Novak Djokovic in the past.

The World No.31 is 0-3 against Federer, 0-2 against Nadal and lost his lone meeting against Djokovic at the Australian Open last year. Tiafoe admitted he lacked confidence even before stepping onto the court against the legendary trio.

"There is a little space for guys. I mean, there was a while there where you go deep in an event, and you run into Rafa and them, I was, like, 'Yeah, I'm probably going home.' But now guys can win it," said the American.

The 24-year old has grown in confidence over the last few weeks, and reached the round of 16 at this week's Miami Open. Furthermore, he seems to have adopted a new mentality regarding his approach to the game.

"If I play great tennis, I know where I can be, it’s just keeping my head down and doing the work, which I have been doing,” added Tiafoe. “I’m just gonna worry about my next match