Immigration Minister Alex Hawke said he acted on “health and good order grounds on the basis that it was in the public interest to do so”.
The unvaccinated world number one, top seed and defending champion is looking to clinch a 10th title at Melbourne Park.
The world number one said his team had offered fresh information to the Australian government, which is pondering whether to cancel his visa, again, and throw him out of the country
For four nights, Melbourne’s infamous ‘alternative place of detention’ for migrants became his abode: no tennis courts, no swimming pool and no leaving