Pre-season testing kicked off in Barcelona on Wednesday as all 10 teams arrived to put their 2020 challengers through their paces for the first time.
But who was quick? Who was on the back foot? Who was happy with their programme and who is already looking at how they can catch up at next week's second session?
To find out all that and much more, watch Paddock Pass as Will Buxton runs through each team's progress through the week – and you'll hear from the drivers to get their take on where they are in the pecking order after the first three days of testing.
READ MORE: 10 things we learned from the opening F1 pre-season test
TECH INSIGHT: Why Mercedes, Red Bull and Racing Point stole the show at week 1 of testing
Next Up
Related Articles
Why Haas see the positives after Madrid disappointment
'Bit of a shock to the system' leading Cadillac – Budkowski
How 46 fashion designers reimagined McLaren’s F1 history
BettingConstructors' title battle heating up for F1 bettors
Who impressed our Power Rankings judges in Madrid?
What's new with the F1 Sprint in 2027?