Follow live coverage of the Singapore Grand Prix weekend with F1i.

The Marina Bay Circuit hosts one of the most spectacular races of the season, with the grand prix taking place under floodlights around the city streets. FP3 is the final opportunity for the teams to perfect their set-ups ahead of qualifying at 20:00 local time.

FP1 was topped by Nico Rosberg, but the second session on Friday was a much closer affair as Daniil Kvyat headed Kimi Raikkonen and Daniel Ricciardo. It was the first time this season a Mercedes-powered car has not finished in the top three of a practice session and Lewis Hamilton says the threat to Mercedes is genuine.

With Red Bull and Ferrari getting the better of Mercedes in FP2, the final practice session should provide a true indication of whether it will be the closest qualifying of the year, as it was in 2014.

McLaren looks more competitive too, with Jenson Button hoping to match Fernando Alonso's pace on Saturday, while Manor has to make up for lost time after crashes for both Alexander Rossi and Will Stevens on Friday.

You can follow all the live coverage on F1i's live page, which can be bookmarked as it will provide commentary on every session of the 2015 F1 season.

LIVE: Singapore Grand Prix FP3

Chris Medland's Singapore Grand Prix preview

2016 F1 driver line-ups so far

Click here for some of the most memorable crashes at Singapore

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Andrew Lewin

Andrew first became a fan of Formula 1 during the time when Michael Schumacher and Damon Hill were stepping into the limelight after the era of Alain Prost, Nigel Mansell and Aryton Senna. He's been addicted ever since, and has been writing about the sport now for nearly a quarter of a century for a number of online news sites. He's also written professionally about GP2 (now Formula 2), GP3, IndyCar, World Rally Championship, MotoGP and NASCAR. In his other professional life, Andrew is a freelance writer, social media consultant, web developer/programmer, and digital specialist in the fields of accessibility, usability, IA, online communities and public sector procurement. He worked for many years in magazine production at Bauer Media, and for over a decade he was part of the digital media team at the UK government's communications department. Born and raised in Essex, Andrew currently lives and works in south-west London.

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