Former world number one Mats Wilander believes Novak Djokovic or Rafael Nadal will win the Australian Open, but he is a little worried for them too.
Djokovic and Nadal are the big favourites for the tournament, which gets underway next week after a three week delay.
Wilander says he believes the winner will come from the top two players in the world, although the lack of practice this year could hurt them.
Both have already been affected, with Djokovic restricted to just one set in an Adelaide exhibition because of blisters and Nadal forced to sit out Spain's ATP Cup opener with a back injury.
“The thing I worry about is injury," Wilander said ahead of the Australian Open.
"Without playing as many matches as they would have liked or practising as hard, are they able to play two or three five-setters and not get hurt?
"That’s maybe a bigger issue for the older players, but they’re so good at playing their best tennis when it’s needed.
"I do think the winner is going to come from Rafa and Novak – potentially (Dominic) Thiem, he’s really close to them.
"Then you have a group of players behind with (Daniil) Medvedev and (Stefanos) Tsitsipas.”
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