The uncertainty surrounds veteran goalkeeper Mackenzie Arnold, who has not trained fully with her teammates during preparations in Perth. Expected to replace Teagan Micah, who withdrew with concussion issues last week, Arnold's availability for Sunday's crucial match against Philippines remains in doubt.
Coach Joe Montemurro remains tight-lipped about his final squad selection, let alone who will start in goal for the tournament opener. The Matildas must navigate this uncertainty as they begin their Asian Cup campaign against the Philippines in Perth.