The teams will have two days of running at the circuit which held the Bahrain Grand Prix two days ago.
Among the test drivers in action today will be Oliver Turvey for McLaren, Sergey Sirotkin for Sauber and Robin Frijns for Caterham.
The latter team will be the first to spend one of their in-season test days doing tyre development work for Pirelli. The rest will conduct their own testing programmes today.
Join us via the link below for live discussion throughout the test.
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Image © Marussia