A promising display from the north African side in their opening game against Denmark has raised their hopes of qualifying out of Group D.
Australia, meanwhile, were comfortably beaten by France and must get a result at Al Janoub Stadium to maintain any hope of progressing to the last-16.
Not since 2006 have the Socceroos made the knockout stage while Tunisia have never played a last-16 game at the World Cup, and with a ferocious backing in Qatar they will be under pressure to grab a vital win today.
Here are all the details for tuning in...
Where to watch Tunisia vs Australia
TV channel: In the UK, the match will be televised free-to-air and live on BBC One, with coverage beginning at 9.45am for a 10am GMT kick-off.
Live stream: The BBC iPlayer will broadcast the match live online.
