Max Verstappen will return to the scene of his historic maiden F1 victory on the second day of the first in-season test which is being hosted at Circuit de Catalunya on Tuesday and Wednesday.
The youngest-ever F1 race winner had originally being pencilled in for a test day in the Red Bull to give him more track time and experience in the unfamiliar car and the team has confirmed he will take over from team-mate Daniel Ricciardo on Wednesday 18th May, with the Australian driving on Tuesday 17th May.
At Ferrari development driver Antonio Fuoco has been handed Tuesday's driving duties – his second test after his debut at the Austria test last year – with third-place driver in the Spanish Grand Prix Sebastian Vettel taking over on Wednesday.
Still evaluating his first-lap clash with Lewis Hamilton, F1 championship leader Nico Rosberg will test on Tuesday before Esteban Ocon makes his debut for the German manufacturer. The French driver has a busy scheduled as he will be in Renault's car for the first day of the test before Kevin Magnussen jumps in on day two.
Red Bull reserve driver and GP2 championship leader after the opener in Spain Pierre Gasly has landed his F1 debut and will drive on the first day for Toro Rosso before handing over for the recently replacement Daniil Kvyat on day two.
McLaren gives Stoffel Vandoorne his first outing since Bahrain on Wednesday with Jenson Button on driving duties the day before. Alex Lynn continues his development programme with Williams on Tuesday with Felipe Massa taking over on Wednesday.
Force India has once again given extensive track time to development driver Alfonso Celis Jr who will drive in both days having enjoyed two days in winter testing plus an FP1 outing in Spain this weekend.
Manor have selected Pascal Wehrlein for the opening day before development driver and GP2 challenger Jordan King gets his F1 debut on Wednesday. Haas is the only team to pick both its full-time drivers Romain Grosjean (Tuesday) and Esteban Gutierrez (Wednesday).
Due to financial constraints ongoing at Sauber the Swiss team has already confirmed it will not be participating in the first in-season test this week.
Full Spanish GP test driver line-up:
Nico Rosberg (day one), Esteban Ocon (day two)
Antonio Fuoco (day one), Sebastian Vettel (day two)
Alex Lynn (day one), Felipe Massa (day two)
Daniel Ricciardo (day one), Max Verstappen (day two)
Alfonso Celis Jr (day one and two)
Esteban Ocon (day one), Kevin Magnussen (day two)
Pierre Gasly (day one), Daniil Kvyat (day two)
Jenson Button (day one), Stoffel Vandoorne (day two)
Pascal Wehrlein (day one), Jordan King (day two)