Grosjean had a small moment in Turn 6, which resulted in his Honda-powered Andretti Autosport entry to be caught by the surging Juncos Hollinger Racing Chevrolet of Ilott.
The British driver closed up to Grosjean and darted to the left for a move entering Turn 7, but the two hit flush wheel-to-wheel, which sent Ilott off course and through maze of dirt that wraps around the 12-turn, 1.964-mile road course.
