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Source: A-Leagues Rules for classification: 1) Points; 2) Goal difference; 3) Goals scored; 4) Points per game; 5) Least red cards; 6) Least yellow cards; 7) Toss of a coin in an event of a tie of two clubs. (C) Champions Notes:
Determined by which of the Premiers for the 2021–22 or 2022–23 seasons accrued the most combined points over both seasons.
The top two teams enter the finals series at the semi-finals, while the teams ranked third to sixth enter the finals series at the elimination-finals.
The system used for the 2023 A-League Men finals series is the modified top-six play-offs by the A-Leagues. The top two teams enter the two-legged semi-finals receiving the bye for the elimination-finals in which the teams from third placed to sixth place enter the elimination-finals with "third against sixth" and "fourth against fifth". Losers for the elimination-finals are eliminated, and winners qualify for the two-legged semi-finals.
First placed team in the semi-finals plays the lowest ranked elimination-final winning team and secon placed team in the semi-finals plays the highest ranked elimination-final winner. Home-state advantage goes to the team with the higher ladder position, except for the Grand Final in this series.
The second elimination-finals match occurred between fourth-placed Western Sydney Wanderers and fifth-placed Sydney FC at Bankwest Stadium; the first time a Sydney Derby was played in the finals series of the A-League Men. Despite Wanderers scoring first through a Morgan Schneiderlin penalty, Sydney made the comeback 2–1 over Western Sydney sent them to the two-legged semi-finals via Róbert Mak and Adam Le Fondre.
Adelaide United qualified for the two-legged semi-finals against Central Coast Mariners starting off at back home at Coopers Stadium which despite Adelaide scoring first, had Central Coast comeback 2–1. The following week at Industree Group Stadium fully attended, Central Coast extended their advantage by winning 2–0 thanks to goals by Samuel Silvera and Marco Túlio; winning 4–1 on aggregate to qualify for the Grand Final against Melbourne City.
The Grand Final featured Melbourne City in their fourth consecutive Grand Final, against the Central Coast Mariners appearing in their first Grand Final in a decade and fifth overall. Central Coast scored the first and second goals through Jason Cummings and Samuel Silvera, with City getting one back by substitute Richard van der Venne, with Mariners leading 2–1 at half time. Since, they scored through two penalties by Cummings completing his hat-trick and further goals by Béni Nkololo and Moresche in stoppage time. Central Coast Mariners became champions of the A-League Men after defeating Melbourne City 6–1 in the Grand Final.
Maximum of five substitutions, with a sixth allowed in extra time.
Notes
Each team was given only three opportunities to make substitutions, with a fourth opportunity in extra time, excluding substitutions made at half-time, before the start of extra time and at half-time in extra time.