Nick Kyrgios has no doubt who he'd pick out as the greatest male tennis player of all time - Switzerland's Roger Federer.
The Australian was asked in a post-match press conference who was the best of the modern-day big three - Federer, Rafael Nadal, or Novak Djokovic.
And he was adamant with his answer.
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"I don't think we have ever seen someone maybe so dominant in their period of time as Novak, like he went on that obviously 60-match winning streak or something really crazy," said Kyrgios.
"I think in my opinion I believe Roger is the greatest of all time. With his skill set, the way he plays the game, I think it's pure.
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"I actually think talent-wise Nadal and Djokovic aren't even close to Roger. Talent-wise, just purely based on talent the way Federer plays, his hands, his serving, his volleys, untouchable.
"Rafa you will never see someone so dominant on one surface ever. I don't think we will ever see that amazing accomplishment on clay, the best clay courter of all time. It's funny, because I think Roger is the greatest of all time but not the greatest of the era because his head-to-head against Rafa is not great. But it's a tough one."
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Kyrgios reflected on his own on-court experiences of playing each of them - and said that against Federer it became a bit embarrassing.
"Me personally, I played them all. I actually think Andy [Murray] for me was tougher than Novak to play. I mean, I have only played Novak twice. I have played Andy six times and I'm 1-5.
"Nadal, I actually think I match up quite well against Nadal. I can serve big and play kind of the right style of tennis to be successful against him. Styles make fights in tennis. All the match-ups are different.
"Roger's chopped me a couple of times. Roger makes you feel like you're really bad at tennis sometimes. He walks around, he flicks his head, and I'm, like, I don't even know what I'm doing out here. Roger is the greatest, for me."
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