Barcelona week 1 driver line-ups

©Sauber

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We're finally here, it's time for teams to roll out their contenders and validate out on the race track the hard work conducted in the past months.

After the hype and talking, analysing and projecting, we'll now see who got it right and who may have got it completely wrong.

Most teams will be running a single driver this week, with Williams and Renault splitting duties on a daily basis.

Live from Barcelona: pre-season testing - Day 1

Testing on home turf, Fernando Alonso will be in action on Monday with McLaren's striking MCL33 and the hope of working unhindered by any unforeseen issues.

Mercedes is apparently keeping its options open for Wednesday and Thursday with regard to its line-up as the current weather forecast in Barcelona could wreak havoc on its programme.

While expectations are low for big changes among the front-runners, anything goes within the mid-field which is expected to see a massive battle this season.

The following schedule for this week's four-day test at the Circuit de Catalunya is provisional as teams are free to swap drivers at their will.

Monday - Feb 26	Tuesday - Feb 27	Wednesday - Feb 28	Thursday - Mar 1
Mercedes
Valtteri Bottas/ Lewis Hamilton	Valtteri Bottas	TBC	TBC
Ferrari
Kimi Raikkonen	Sebastian Vettel	Kimi Raikkonen	Sebastian Vettel
Red Bull
Daniel Ricciardo	Max Verstappen	Daniel Ricciardo	Max Verstappen
Force India
Nikita Mazepin	Esteban Ocon	Sergio Perez	Sergio Perez
Williams
Lance Stroll/ Sergey Sirotkin	Sergey Sirotkin/ Robert Kubica	Lance Stroll/ Robert Kubica	Sergey Sirotkin/ Lance Stroll
Renault
Nico Hulkenberg/ Carlos Sainz	Carlos Sainz/ Nico Hulkenberg	Nico Hulkenberg/ Carlos Sainz	Carlos Sainz/ Nico Hulkenberg
Toro Rosso
Brendon Hartley	Pierre Gasly	Brendon Hartley	Pierre Gasly
Haas
Romain Grosjean	Kevin Magnussen	Romain Grosjean	Kevin Magnussen
McLaren
Fernando Alonso	Stoffel Vandoorne	Fernando Alonso	Stoffel Vandoorne
Sauber
Marcus Ericsson	Charles Leclerc	Marcus Ericsson	Charles Leclerc