Western Sydney Wanderers Football Club is an Australian professional soccer club based in the Western Sydney region of Sydney, New South Wales. It competes in the country's premier competition, the A-League, under licence from the Australian Professional Leagues (APL). formerly under licence by the Football Federation Australia (FFA). The club had established itself as a major force in both Australia and Asia, having won one A-Leagues Premiership and an AFC Champions League title in its history.

A-League Men is the highest-level professional men's soccer league in Australia and New Zealand. At the top of the Australian league system, it is the country's premier men's competition for the sport. A-League Men was established in 2004 as the A-League by the Football Federation Australia (FFA) as a successor to the National Soccer League (NSL) and competition commenced in August 2005. The league is currently administered by the Australian Professional Leagues (APL), contested by twelve teams; eleven based in Australia and one based in New Zealand. The men's, women's and youth leagues have now been brought together under a unified A-Leagues banner.