Postpublished at 17:50 British Summer Time 1 April 2016
That's your lot from us.
So far so good for Mercedes, who as expected look to be the team to beat once again. What we REALLY don't want to see is Ferrari's challenge falling away.
After some problems today, can they get it together for qualifying? Join us for our coverage tomorrow, starting with final practice from 12:00 BST.
Head here for Andrew Benson's thoughts on second practice. Ta ta for now.