The timesheets currently give few clues to the competitive order, but you can read Mark Hughes’ guide on how to interpret the available information. Click to see what conclusions you can draw from these early days of the season.
You can also avoid driver confusion by catching up on the widespread helmet changes this season.
View the latest testing pictures in the gallery above. We’ll be bringing further analysis of the sessions as testing continues
2020 F1 testing, Barcelona schedule
Day 1: drivers on track