Lewis Hamilton is hoping to build on his back-to-back successes after Italy and Belgium and extend his lead at the top of the Championship.
But Sebastian Vettel is expected to have a strong weekend with few straights to build up to top speed for Hamilton to take advantage of.
Red Bull’s Daniel Ricciardo also had a strong practice on Friday and has put them in contention.
If you are looking at betting, then BBC’s Tom Clarkson has made some predictions.
He is expecting Ferrarri’s Sebastian Vettel to take pole position.

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And Danel Ricciardo – not Lewis Hamilton – to scoop second.
But everything can change over the next few hours so Express Sport is on hand to take you through the results.
Singapore Grand Prix 2017 Q1 results
Calm for Max Verstappen, who retains pole position.
Daniel Ricciardo and Fernando Alonso finish in second and third respectively.
Lewis Hamilton, however, is down in sixth. Sebastian Vettel in 12th.
Kevin Magnussen, Felipe Massa, Lance Stroll, Pascal Wehrlein and Marcus Ericsson all drop out.
Singapore Grand Prix 2017 Q2 results
To follow
Singapore Grand Prix 2017 Q3 results
To follow