Nyck de Vries was quickest for Mercedes in the second and final practice session ahead of qualifying.
The Dutch driver set a 1:06.846 on the full 250kw of power as he set the fastest times in the first and last sectors.
Antonio Felix Da Costa was second for DS Techeetah with the fastest middle sector as Maximillian Guenther was third for BMW.
Jerome d’Ambrosio was fourth for Mahindra ahead of Nissan’s Sebastien Buemi, Mitch Evans in the only Jaguar and Sam Bird was seventh for Envision Virgin.
Lucas di Grassi was eighth fastest in the Audi ahead of his teammate Rene Rast, and Nico Mueller rounded out the top ten for Dragon.
Jean-Eric Vergne was 11th in the DS Techeetah ahead of Oliver Rowland in the Nissan, Felipe Massa in the Venturi, and Alex Lynn was 14th in his first weekend for Mahindra.
Edoardo Mortara was 15th quickest for Venturi ahead of Neel Jani and Andre Lotter in the Porsche’s with the top 20 being rounded out by NIO’s Oliver Turvey, BMW’s Alex Sims and Stoffel Vandoorne in the Mercedes.
Robin Frijns was 21st in the second Envision Virgin entry ahead of Daniel Abt on his first weekend driving for NIO, and series debutant Sergio Sette Camara was 23rd quickest for Dragon.
James Calado didn’t take part in the session as his car was having the battery replaced meaning that he will be going into qualifying having not set a timed lap all day.