Sebastien Buemi ended FP1 fastest in Sao Paulo setting a 1:12.341 at the brand-new and bumpy Brazilian track.
There were a number of near-misses as drivers narrowly escaped crashing their cars into the wall. Stoffel Vandoorne suffered the most damage as he had to replace the nose of his car after touching the barrier.
In the early stages of the session, Rene Rast set the pace and was in P1 for the first few minutes. Nico Müller and Sam Bird came close to the McLaren driver, but they were overtaken in the following laps.
A quick yellow flag was brought out at Turn 1 by Stoffel Vandoorne after he missed the braking zone and touched the barrier.
Other drivers also missed their breaking point but managed to dodge the barrier, such as Sette Câmara and Günther.
The Maserati cars stopped in the pits for a few moments, on the lap Gunther and Mortara set the 6th and 7th fastest times respectively.
Buemi and Cassidy went under investigation for a technical infraction, the tyre calibration was not done correctly.
At the final flag, Sacha Fenestraz overtook Dan Ticktum to take P2 with 1:12.453. Vandoorne moved up to third, followed by Evans and Rast. Jake Hughes was seventh and Günther eighth. Brazilian Lucas di Grassi and Sergio Sette Câmara completed the top 10.