Socceroos coach Tony Popovic will keep everyone guessing on whether dynamo Nestory Irankunda starts the crunch clash with Paraguay that will determine Australia's path to the round-of-32.
The Socceroos will be forced into at least two injury-enforced changes with defender Jacob Italiano (adductor) joining Mathew Leckie on the sidelines.
But all eyes will be on how Australia's attack shapes up for a clash with plenty on the line.