Nico Rosberg is set to go on 'maximum attack' for the remainder of the Formula 1 season as he looks to claw back his Mercedes team-mate Lewis Hamilton's 53-point advantage at the top of the drivers' standings.

The German's F1 world championship ambitions took a hefty blow last time out at Monza when his Mercedes engine expired two laps from the finish while chasing Sebastian Vettel, forcing him to retire as Hamilton claimed his seventh win of the year.

With over two race wins worth of points separating Rosberg to Hamilton in the drivers' standings the German cannot afford to lose any more ground and despite the disappointment in Italy he is refusing to give up on the championship until it is mathematically impossible.

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"Obviously, Monza didn't go to plan. It was gutting to miss out on a good result so close to the end but now I approach the final seven races with the attitude that there's nothing to lose," Rosberg said. "It's maximum attack and I won't be giving up the fight, no way."

Looking ahead to Singapore's night race the Mercedes driver has mixed memories of the Grand Prix but is relishing the challenge the hot and humid street circuit provides.

Rosberg's best result in Singapore came in the first running of the race in 2008 when he claimed second while racing for Williams-Toyota. Rosberg suffered mechanical heartache 12 months ago as his race lasted just 13 laps. The 30-year-old had narrowly missed out on pole by 0.007s to Hamilton but had to start from the pitlane after his car had faults on the formation lap due to problems with the wiring loom.

"Singapore is one of my favourite races," he said. "It's so tough on everyone - physically and mentally - and I love that challenge.

"I was only a few thousandths off pole last year and feeling good for the race until a problem with the steering wheel ended my weekend. I know I've got the pace to win there, so I'm hoping for a clean weekend and a chance to unleash this silver beast under the lights."