The tournament started on Sunday, 12 January at Melbourne Park and concludes on Sunday, 26 January.
The Australian Open moved to a Sunday start instead of Monday for the first time last year, with the tournament extended to 15 days in an attempt by organisers to avoid late-night finishes.
Qualifying, where players must win three matches to reach the main draw, began on Monday, 6 January.
The women’s singles final takes place on Saturday, 25 January, with the men’s final concluding the tournament on Sunday, 26 January.