Mercedes has produced another productive morning of running in Barcelona, with Kimi Antonelli tallying almost 90 laps so far.
The Italian has also set the fastest lap time of the test with a 1:17.081.
Lewis Hamilton was back in action for Ferrari and clocked up almost 90 laps across the opening hours.
He trailed Oscar Piastri in the McLaren, but was ahead of Liam Lawson and Sergio Perez. Just five cars ventured onto the track during the session.
Aston Martin is expected to join the action later today with Lance Stroll.
See the results from the morning below!
