After three days pounding around the Bahrain International Circuit, many teams will now have a clearer picture of where they stand against their rivals.
Who will be playing catch up at the first race? Or will we see a surprise midfielder creep into the battle up front?
RacingNews365.com has gathered the best shots from pit lane, on track, and the paddock action in Sakhir.
In photos: The hidden details from Day 3 of F1 2023 testing
After three days running laps around the Bahrain International Circuit, take a look at some of the best shots from F1 testing.View the album
Ahead of the 2023 F1 season, RacingNews365.com journalists Dieter Rencken and Michael Butterworth look back on a winter break laden with intrigue and controversy.