Oliver Rowland topped final practice ahead of qualifying for the Monaco E-Prix, setting the fastest time in the 30-minute session for Nissan e.dams.
Rowland, who has a three-place grid penalty for the ninth round of the 2018/19 season, set a best time of a 49.847s on the 1.765km-long street circuit, emerging ahead of a DS Techeetah 2-3 with Jean-Eric Vergne setting the second fastest time, 0.123s slower than the Briton while Andre Lotterer was a further 0.011s adrift.
Jaguar Racing's Alex Lynn put together an impressive run on his fastest 250kW lap to set the fourth fastest time of the session, 0.195s slower than Rowland while Lucas di Grassi, who topped FP1, completed the top five.
Pascal Wehrlein returned to the top 10 with the sixth fastest time for Mahindra Racing after ending up only 16th fastest in FP1 while Alexander Sims, who briefly held the fastest time in FP2, was seventh, again as the fastest BMW driver after Antonio Felix da Costa, who was 12th, missed the first five minutes of the session.
Venturi's Felipe Massa was eighth while Daniel Abt was ninth in the second works Audi, with Sam Bird completing the top 10 for Envision Virgin Racing as only 0.419s covered the top half of the field.
Outside of the top 10, Jerome d'Ambrosio was 11th, 0.055s shy of Bird while Stoffel Vandoorne was 13th as the fastest HWA Racelab driver.
After missing most of FP1, Oliver Turvey caught up with the rest of the field in second practice to deliver NIO with the 17th fastest time while double Monaco E-Prix race winner Sebastien Buemi was 21st, unable to match his team-mate's pace after locking up in Turn 3.
Rome E-Prix race winner Mitch Evans completed the field as the slowest runner in the second Jaguar Racing entry, 1.516s off the pace.