Charles Leclerc set the pace for Ferrari on the morning of the final test day, ahead of Mercedes' George Russell.
With drivers starting to experiment with the softest available compounds, the Leclerc set the fastest time of the Bahrain test so far.
Felipe Drugovich completed 77 laps in third place as Aston Martin keep their reserve driver on standby for any decision on their Bahrain GP driver lineup.
Check out the times from the morning session below.