Red Bull driver Sebastian Vettel won the Korean Grand Prix today to move ahead of Ferrari's Fernando Alonso in the Formula One championship standings by six points with four races remaining.Vettel started second on the grid behind Mark Webber but overtook his team-mate on the first turn and never relinquished the lead, finishing 8.2 seconds ahead of Webber. Alonso was third 13.9 seconds off the pace. Vettel, who also won the previous races in Singapore and Japan, is moving within sight of a third straight title – something only previously achieved by Juan-Manuel Fangio and Michael Schumacher.