Who will be driving at the second in-season test?

Formula 1 hasn't packed up and left the Circuit de Barcelona-Catalunya just yet, with the second in-season test taking place on Tuesday and Wednesday.

© Octane Photographic

Like the opening two-day event in Bahrain after round three of the 2014 season, several outfits will complete tyre testing with F1's supplier Pirelli.

Each team must devote one in-season test session to working with the Italian company this season. Sauber and Toro Rosso will test with Pirelli on Tuesday, before McLaren and Force India take over on Wednesday.

Confirmed line-up so far:

Red Bull Racing

Tuesday 13th May - Sebastien Buemi
Wednesday 14th May - Sebastian Vettel

Mercedes

Tuesday 13th May - Lewis Hamilton

Wednesday 14th May - Nico Rosberg

Ferrari

Tuesday 13th May - Kimi Raikkonen
Wednesday 14th May - Kimi Raikkonen

Lotus

Tuesday 13th May - Charles Pic
Wednesday 14th May - Pastor Maldonado

McLaren

Tuesday 13th May - Jenson Button
Wednesday 14th May - Stoffel Vandoorne

Force India

Tuesday 13th May - Nico Hulkenberg
Wednesday 14th May - Daniel Juncadella

Sauber

Tuesday 13th May - Giedo van der Garde
Wednesday 14th May - Esteban Gutierrez

Toro Rosso

Tuesday 13th May - Jean-Eric Vergne
Wednesday 14th May - Daniil Kvyat

Williams

Tuesday 13th May - Felipe Massa
Wednesday 14th May - Susie Wolff

Marussia

Tuesday 13th May - Max Chilton
Wednesday 14th May - Jules Bianchi

Caterham

Tuesday 13th May - Kamui Kobayashi
Wednesday 14th May - Robin Frijns