Jenson Button stormed to pole position for the Spanish Grand Prix with a late, last-gasp lap in Saturday's qualifying session.
The Brawn GP driver and championship leader had looked out-of-sorts in practice and qualifying, but edged ahead of his rivals with a stunning final run.
He crossed the start/finish line to start his final lap with under a second of qualifying to run - something he admitted was luck more than judgement - and took pole from Red Bull's Sebatsian Vettel by just more than a tenth of a second.
Button's Brawn team-mate Rubens Barrichello was third.
1 Button (Brawn-Mercedes) 1:20.5272 Vettel (Red Bull-Renault) 1:20.6603 Barrichello (Brawn-Mercedes) 1:20.7624 Massa (Ferrari) 1:20.9345 Webber (Red Bull-Renault) 1:21.0496 Glock (Toyota) 1:21.2477 Trulli (Toyota) 1:21.2548 Alonso (Renault) 1:21.3929 Rosberg (Williams-Toyota) 1:22.55810 Kubica (BMW-Sauber) 1:22.685
11 Nakajima (Williams-Toyota) 1:20.53112 Piquet (Renault) 1:20.60413 Heidfeld (BMW-Sauber) 1:20.67614 Hamilton (McLaren-Mercedes) 1:20.80515 Buemi (Toro Rosso-Ferrari) 1:21.067