The regular season commenced on 11 October 2019 and was scheduled to conclude on 26 April 2020, though was postponed to 19 August 2020 as a result of the COVID-19 pandemic.

[1] The pandemic caused Football Federation Australia (FFA) to suspend the season from late March to mid July.

The league has been expanded to eleven teams, with the addition of the Western United starting their first season.

The following do not fill a Visa position: 1Those players who were born and started their professional career abroad but have since gained Australian citizenship (or New Zealand citizenship, in the case of Wellington Phoenix);[55] 2Australian citizens (or New Zealand citizens, in the case of Wellington Phoenix) who have chosen to represent another national team; 3Injury Replacement Players, or National Team Replacement Players; 4Guest Players (eligible to play a maximum of fourteen games); 5Players who left at the end of their contract, which was originally at the end of the season, but became mid-season due to the COVID-19 pandemic in Australia extending the season

On 16 March 2020, due to restrictions imposed by the Australian Government of gatherings involving more than 500 people, the FFA announced that the remainder of the season would proceed with all games being played behind closed doors.