Key moments in Novak Djokovic's Australian saga

Serbian tennis player Novak Djokovic practices at Melbourne Park as questions remain over the legal battle regarding his visa to play in the Australian Open in Melbourne, Australia, January 12, 2022. REUTERS/Loren Elliott

MELBOURNE (Reuters) - Tennis star Novak Djokovic's bid to win a record-breaking 21 men's Grand Slam titles at the Australian Open ended on Sunday with a court decision to uphold the government's cancellation of his visa. Following are key dates in the saga:

Dec 16: Djokovic tested positive for coronavirus, according to his affidavit to the Australian federal court. His accompanying PCR result by the Institute of Public Health of Serbia shows he was tested at 1:05 p.m. and the result time as 8:19 p.m.