With football fever gripping the nation, thousands of fans are expected to flood the streets of Sydney and other major cities for the match, scheduled to kick off at 2 am local time on Monday (1600 GMT Sunday).

Interest in the game has surged since the Socceroos came from behind to beat Japan 3-1 this week -- a surprise victory that sparked street celebrations across Australia.

ABL State Chamber, Australia's largest business lobby group, said companies should be flexible and allow staff to take a rostered day off or a day's leave.

Regional manager Mary Doherty said doing so could foster goodwill between employees and management and boost workplace morale.