 For their first five competitions, the A-League was given two spots in the league- one for the champions (grand final winners) and one for the premiers (regular season winners- or the losing grand finalist if the champions and premiers were the same team).For the 2012 competition, another half a spot was added, with the highest placed team on the A-League table which has not already qualified for the AFC Champions League entering a playoff to enter the competition.The Western Sydney Wanderers are the only Australian side to win the competition, while Adelaide United are the only Australian side to have made the final and lost.