After a day’s running on the New Berlin Tempelhof Circuit on Wednesday, plenty of rubber had been laid down in all the right places, and Guenther’s 1:15.091 was some 0.6 seconds quicker than any time we saw yesterday.
WATCH: Don't miss a minute of Round 11 from Berlin
Fresh off the back of a first Formula E victory in Round 10, Nissan e.dams’ Oliver Rowland followed up with the third best effort in the final practice session of the season. Team-mate Sebastien Buemi followed, with Mitch Evans (Panasonic Jaguar Racing) and Nyck de Vries (Mercedes-Benz EQ) rounding out the top six.
The sister BMW of Alex Sims was seventh quickest, with TAG Heuer Porsche’s Andre Lotterer eighth, Alex Lynn (Mahindra Racing) ninth and ROKiT Venturi Racing’s Felipe Massa 10th.
Qualifying follows at 14:00 local time, with the final round of the season, the Berlin E-Prix Round 11 from the New Berlin Tempelhof Circuit to come at 19:00 CEST.
In the meantime, catch up with highlights of yesterday's race action or take a look at the stories behind-the-scenes of this unprecedented nine-day six-race season finale with our miniseries - 9 Days in Berlin.

FANBOOST
Voting is still open for FANBOOST ahead of the Berlin E-Prix Round 11, with Mercedes-Benz EQ’s Stoffel Vandoorne heading the way on 25 percent of the vote ahead of da Costa, Daniel Abt (NIO 333), Lucas di Grassi (Audi Sport ABT Schaeffler) and Andre Lotterer (TAG Heuer Porsche).
YOUR VOTE COUNTS! Give your favourite driver a power-boost with FANBOOST