Championship leader Sebastian Vettel and nearest challenger Hamilton struggled in the morning session, the Sochi track is currently notoriously low-grip condition.
Hamilton had a fastest moment over the Turn 2 curbs but landed without damage and ran wide at the exit of Turn 14. In the final 15 minutes Vettel spun as well at Turn 17 and this error cost his flying lap with super-soft compound.
Red Bull’s Max Verstappen made fourth fastest ahead Vettel, The second Red Bull speedy Daniel Ricciardo finished sixth, narrowly in front of Force India’s Sergio Perez.
Williams pair Felipe Massa and Lance Stroll were eighth and ninth, separated by just 0.05s, on a circuit the team is expecting to finish strongly on.
Esteban Ocon rounded off the top ten but he had made an incident in the last half hour of the session as his engine cover loose-out as he approached the braking zone at Turn 2, that was only made red flag during the session.
Local hero Daniil Kvyat made 11th quickest lap-time for Toro Rosso ahead of Haas F1’s Kevin Magnussen, the American outfit adapted new supply of Carbon Industrie brakes.
Fernando Alonso managed with 13th fastest for McLaren ahead of fellow citizen Carlos Sainz, McLaren team-mate Teammate Stoffel Vandoorne finished 17th, he already onto his fourth engine of the season, at the end of the session complaining about a loss of power in his Honda engine.