Williams F1 confirmed today that its 2009 season race car, the Williams-Toyota FW31, will make its track debut at the 4.7km Algarve Motor Park circuit near Portimao in Portugal on Monday January 19, 2009.

The Algarve test will be the first of the pre-season tests for the team and will see the FW31 rolled out for the first time ahead of the 2009 Championship campaign. The car will be running in its winter test livery, its full racing colours will not be unveiled until prior to the Australian Grand Prix.