Victoria has recorded six coronavirus cases in hotel quarantine as the state's stretch of no local infections reached 19 days.
There are now 31 active cases in the state, with 11,806 tests in the previous 24 hours.
COVID-19 Quarantine Victoria reported that none of the new quarantine infections were connected to the Australian Open.
The number of active cases among nearly 1000 quarantining Australian Open personnel remains at nine.
Monday also marks the one-year anniversary of Australia's first coronavirus case, a man in his 50s in Victoria.