Alexander Wurz
In November 2006, Nakajima was named a Williams test driver for the 2007 season, alongside fellow test driver Narain Karthikeyan and race drivers Nico Rosberg and Alexander Wurz, targeting a race seat in . Nakajima's debut in a Formula One car came at Fuji Speedway during November 2006, where he completed four demonstration laps in wet conditions.