Sebastian Vettel wants to be crowned F1's Prince of Darkness in Singapore this weekend. The 24-year-old German will become the youngest double champion in history if he wins Sunday's floodlit race. Vettel snatched his first drivers' crown with a thrilling victory in the day-night season finale in Abu Dhabi last November. The Red Bull racer, who leads the championship by 112 points, said: "I'm in a very good position. "All my rivals would like to swap places with me and I'll go into the race exactly the same way I have done all the others — trying to win. "But it's not over until it's over. You just have to look at last year as the best proof. We didn't know until the last lap of the last race. "Obviously, this year it might be a bit different as I do have a lead but there are still a lot of races to go. "It has been an incredible year and it would be great to win on Sunday. "But I've still got to take it step by step as it's wrong to plan for something before it happens. First, you have to win." Vettel, who has won eight races this year, still needs other results to go his way to bag the title with a victory on the Marina Bay track. But it is a question of when not if he wins it, given his huge lead over Ferrari's Fernando Alonso. McLaren's Jenson Button and Vettel's team-mate Mark Webber are 117 points behind, with Lewis Hamilton a further nine points adrift with just six races left. But Red Bull's design genius Adrian Newey reckons Vettel's win at the last race in Italy proved he wants to win the title in style. Vettel stunned Alonso by passing him on the outside of Curva Grande at around 205mph — and came within a whisker of crashing out. Newey said: "Seb doesn't want to cruise to the world championship, he really wants to earn it. "That's what you saw at Monza. It was a ballsy move."