Fernando Alonso will drive for Ferrari in 2010 with Kimi Raikkonen leaving the team.
The two-time former World Champion has agreed a three-year deal with the Maranello marque.
He will partner Felipe Massa, currently recovering from serious injury. Giancarlo Fisichella, who recently signed for the team as a stand-in for Massa, will take the role of reserve driver.
That means Raikkonen, World Champion in 2007, is left looking for another team.
A statement on the team's website read: 'The Scuderia Ferrari Marlboro chooses for the second time in its history a Spanish driver. The first Spanish Scuderia driver can be found in the years 1956 and 1957 when Alfonso De Portago was called to race for the Prancing Horse together with Peter Collins and Jose Froilan Gonzales.
'Now it's the time of Fernando Alonso, born in Oviedo (Asturia) on 29 July 1981. After starting racing karts in Spain he became Minardi test driver. In the year 1999 he debuted in the Formula 3000 and two years later in the 2001 Australian Grand Prix in Formula 1, still with Minardi.'
Team principal Stefano Domenicali said: "We are very proud to welcome to our team another winning driver, who has demonstrated his amazing talent by winning two world championships in his career to date.
"Of course, we wish to thank Kimi for everything he has done during his time with Ferrari: in his first year with us, he managed to win the drivers' title, thus making his contribution to Ferrari's history and he played a vital role in our taking of the constructors' title in 2007 and 2008.
"Even during a difficult season like this one, he has demonstrated his great talent, with several good results, including a great win in Spa and we are sure that we can share more good times together in the final three races of this season."
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