Serbia's premier and Novak Djokovic's family on Sunday denounced as "scandalous" Australia's deportation of the tennis star for not being vaccinated against Covid-19, and the Serbian president said he would always be welcome in his homeland.

A unanimous ruling by a three-judge bench rejecting Djokovic's appeal against the cancellation of his visa dealt a final blow to his hopes of chasing a record 21st Grand Slam win at the Australian Open.