The F1 circus remains in Catalonia for another few days as it gears up for the second in-season test of 2014.
Having similarly stayed on in Bahrain after round three of the campaign, all eleven teams will take advantage of two days of running at the Circuit de Catalunya in Barcelona before heading home to prepare for the Monaco Grand Prix at the end of the month.
Although some participants remain to be confirmed, it would appear that a mix of race and reserve drivers will be in action across the two days, spearheaded by current championship leader Mercedes, which shows no sign of letting up on its rivals by wheeling out Lewis Hamilton on Tuesday and Nico Rosberg on Wednesday. Toro Rosso and Marussia are following suit, by giving Jean-Eric Vergne/Daniil Kvyat and Max Chilton/Jules Bianchi a day each respectively, while others opt to field a less experienced driver for at least part of the test.
After being forced to stand down from the Bahrain test, Stoffel Vandoorne is scheduled to make his McLaren debut on Wednesday, while Sebastien Buemi, Charles Pic, Giedo van der Garde, Daniel Juncadella, Susie Wolff and Robin Frijns are all due to see some action.
Full testing line-up:
Sebastien Buemi (Tuesday), Sebastian Vettel (Wednesday)
Lewis Hamilton (Tuesday), Nico Rosberg (Wednesday)
Kimi Raikkonen (Tuesday and Wednesday)
Charles Pic (Tuesday), Pastor Maldonado (Wednesday)
Jenson Button (Tuesday) Stoffel Vandoorne (Wednesday)
Nico Hulkenberg (Tuesday), Daniel Juncadella (Wednesday)
Giedo van der Garde (Tuesday), Esteban Gutierrez (Wednesday)
Jean-Eric Vergne (Tuesday), Daniil Kvyat (Wednesday)
Felipe Massa (Tuesday), Susie Wolff (Wednesday)
Max Chilton (Tuesday), Jules Bianchi (Wednesday)
Kamui Kobayashi (Tuesday), Robin Frijns (Wednesday)