Tennis Australia accused firebrand Bernard Tomic on Saturday of deliberately trying to sabotage the nation's Davis Cup team in a nasty spat with captain Lleyton Hewitt and withdrew all support for him.
Tomic launched an extraordinary attack on two-time Grand Slam champion Hewitt during the Australian Open last month, saying "no one likes him any more" while claiming he had ruined the national tennis system.
He alleged there were deep divisions in the Australian men's game.
Hewitt responded by washing his hands of the player, alleging he had been blackmailed and physically threatened by the combustible 26-year-old.
Tomic's father John then said he planned legal action against Hewitt over an incident he claimed occurred in 2010 when his son was a Davis Cup debutant.
Tennis Australia chief Craig Tiley said he was "deeply disappointed with the ongoing disrespect from Bernard and his father".
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"Lleyton is right to say Bernard will not be considered for Davis Cup. Bernard does not meet the standards of behaviour and commitment to himself, the team or the sport," said Tiley.
"Now, he is deliberately trying to damage that culture -- and not for the first time.
"We have given (Tomic) more than a decade of support. Ultimately, we have to draw a line when the behaviour does not warrant the support."