Both Daniel Ricciardo and Nico Hülkenberg were unable to set representative lap times during the afternoon session at Suzuka after encountering traffic on each of their Qualifying simulations.
Nico Hülkenberg says talks are still going on between him and Alfa Romeo about a possible 2020 drive but he says no talks have taken place with Williams.
Valtteri Bottas fastest in Free Practice 2 for the Japanese Grand Prix, a session that could determine the grid for Sunday's race.
Nico Hülkenberg finished inside the top eight in both free practice sessions on Friday and has confidence Renault can have a strong weekend in Russia.
Renault had a mixed day in Singapore with Nico Hülkenberg bagging points for the Enstone based team, whilst Daniel Ricciardo's charge through the field came to nought.
Renault were pleased after a double top 10 shootout appearances from both cars, but Daniel Ricciardo was later disqualified from Qualifying for a technical infringement.
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