RENAULT strengthened their hold on fourth place in the Formula 1 constructor standings after a double points finish in the Singapore Grand Prix.

Carlos Sainz and Nico Hulkenberg were eighth and tenth respectively at the Marina Bay Street Circuit.

The results see the Enstone-based team extend their lead over fifth-placed Haas to ten points.

It was a day to forget for the Banbury-prepared team with Romain Grosjean 15th and Kevin Magnussen 18th.

Lance Stroll finished 14th for Grove-based Williams, with teammate Sergey Sirotkin last of the 19 finishers.

World champion Lewis Hamilton claimed his fourth win in five races to extend his lead in the driver standings to 40 points.