World No. 31 Frances Tiafoe admitted in the past he wasn’t too confident in his chances when taking on the court to face Rafael Nadal, Novak Djokovic and Roger Federer. Tiafoe has played Nadal twice as the Spaniard has two straight-set wins over the American. Tiafoe doesn’t have a great record against Federer either but at least he pushed the Swiss into a five-setter when they met at the US Open in 2017. Federer owns a 3-0 head-to-head against Tiafoe. Tiafoe has one meeting with Djokovic as the Serb defeated the American at the Australian Open last year. “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,” Tiafoe said, per Tennis Majors.Tiafoe …