Stefanos Tsitsipas admitted Nick Kyrgios lacks a “filter” after he continued his verbal volleying with Novak Djokovic at the Australian Open on Monday.
Kyrgios called Djokovic a “very strange cat” after the Serbian had said he lacked respect for the Australian off the court.
Djokovic refused to weigh in on the comments after his first-round win, while those looking towards the draw have noted he can only face Kyrgios in the semi-finals.
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'That's as bad as it gets for me' - Kyrgios hits back at 'very strange cat' Djokovic

Asked on Tuesday about Kyrgios’ latest remarks, Tsitsipas – who won his first-round encounter against Gilles Simon – said the player can sometimes speak the truth, but sometimes cross the line.
Tsitsipas said: “They can do whatever they want. From a tennis player perspective, I mean, Nick likes to say things sometimes. Some of them can be true. Some of them can be a little bit... can cross the line and be too much.
He's a guy who doesn't really have a filter and he says things as they are. I think he has a brain in his head when he says stuff, so it's really tough to say.

'Nick says some stupid things!' - Tsitsipas on Kyrgios's lack of filter

“There are many stupid things that he did in the past that I'm sure he's aware of, and obviously can't deny them. There are a few things he has said in interviews and quotations and headlines that he has created that could be considered as true. So it lays somewhere in between.”
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