Defending men's champion Serbia's Novak Djokovic practices on Rod Laver Arena ahead of the Australian Open tennis championship in Melbourne, Australia, Wednesday, January 12, 2022. [AP Photo, Mark Baker)
An Australian has court upheld a government decision to cancel Novak Djokovic's visa, ending the unvaccinated tennis superstar's hopes of winning the Australian Open and racking up a record-breaking 21 men's Grand Slam titles.