The 22 drivers have just one practice session before qualifying at this weekend's season-opening Australian Grand Prix, making it a pivotal session.
Home hero Oscar Piastri topped the timesheets on Friday at Melbourne's Albert Park, but no team has yet truly unleashed the potential of its package.
Mercedes and Ferrari are the early favourites, but McLaren and Max Verstappen did show some promise.
Third practice represents a crucial 60 minutes for Cadillac and Aston Martin, who both faced significant struggles and are lacking data. Will they fare better in FP3?
Follow our dedicated live updates from FP3 below, which also features live timing!
Free practice 3 - Australian
Australian GP
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