What we know
Day 1 of pre-season testing produced a tighter midfield than last season's data implied. We summarise the lap times and the reliability picture.
The detail
Five teams inside a tenth of a second at the top of the timing screens, with one of the smallest gaps between the lead car and the slowest car on track.
What happens next
Day 2 runs from 09:00 local. We'll publish a tactical note before the lunch break.
Source policy
This story is reported with named sourcing and updated as confirmed details emerge. The editorial standards describe how we verify and correct; the contact page lists the secure channels for tips and documents.