“The main reason why it is a small problem for Rafa is that the courts are playing very fast.
“I would say it is the fastest hard courts that they play on the whole year and I think for Rafa he has improved on every different surface, of course, he has, but when it comes to playing on a fast hard court to me it’s his worst surface.
“Obviously indoors is not good either but fast hard court is not a great surface for him because everybody else, they enjoy playing against Nadal on a fast hard court.
“So if Novak is in decent form, I think he is by far the favourite to win the Australian Open because he knows how to, he’s done it so many times.
source: express.co.uk