 Di Grassi extended his championship lead to three after the first London ePrix race, finishing fourth to Buemi's fifth, but Buemi stated his rival was "willing to crash" after their battle during the race.Buemi eradicated that advantage with pole position for the season's final race, while di Grassi qualified third behind Buemi's team-mate Nico Prost.On the opening lap, di Grassi and Prost went side-by-side through the opening bends and under braking for turn three, di Grassi made slight contact with Prost and ran into the back of Buemi.