 He took a third-place finish at the Masters of Formula 3, and won the end-of-the season Macau Grand Prix from third on the grid by passing Robert Kubica shortly after a safety car restart in the closing stages of the event.2006 brought di Grassi to the next stage of his career as he entered the GP2 Series support series with the unsuccessful Durango team and was partnered by the Spanish driver Sergio Hernández.While his local rival Nelson Piquet Jr. battled Lewis Hamilton for the championship, di Grassi struggled with a noncompetitive car and could only muster eight points throughout the course of the season.