The German set 1: 41.983 in the day-and-night training session, less than two-tenths of a second ahead of the champion Lewis Hamilton.
Hamilton made fastest lap-time in the morning practice session ahead Rosberg, but the evening session with faster times look like race conditions, with cooler condition, as Sunday’s season finale takes place at the same time of the day.
Sergio Perez produced a fine lap to finish less than half a second off Hamilton in third place for Force India.
Daniel Ricciardo set fourth fastest ahead of Sebastian Vettel and Daniil Kvyat. Kimi Raikkonen was seventh ahead of Nico Hulkenberg while Fernando Alonso was ninth fastest in his McLaren-Honda ahead of Pastor Maldonado
Just after one hour of the session – a short yellow flag stint came out following Toro Rosso’s Carlos Sainz Jr parked on the run-off at Turn 7 due to a gear-box problem.