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
Alfa Romeo
Robert Kubica
Antonio Giovinazzi
Red Bull
Max Verstappen
Racing Point
Sergio Perez
Lance Stroll
Haas
Kevin Magnussen
McLaren
Carlos Sainz
Mercedes
Valtteri Bottas
Lewis Hamilton
Renault
Esteban Ocon
Daniel Ricciardo
Williams
George Russell
Nicholas Latifi
AlphaTauri
Daniil Kvyat
Ferrari
Charles Leclerc