Lewis Hamilton [Images] captured his second pole position in a row at the US Grand Prix on Saturday to put more pressure on McLaren team mate Fernando Alonso [Images].

The British rookie, who celebrated his first Formula One pole in Canada [Images] last weekend, pipped double world champion Alonso in final qualifying on another sizzling hot day at the Indianapolis Motor Speedway.

Sunday's race will be the third in a row with an all-McLaren front row. Championship leader Hamilton, the winner in Montreal, leads Alonso by eight points in the championship after six races.

After struggling in the last two races, Ferrari [Images] returned to form by sweeping the second row with Brazil's [Images] Felipe Massa [Images] clocking the third fastest effort followed by Finland's Kimi Raikkonen [Images].

German teenager Sebastian Vettel, who will make his Formula One race debut on Sunday in place of Robert Kubica after the Pole failed a fitness test following his big crash in Canada, will start a superb seventh for BMW Sauber.

Provisional starting grid for the US Grand Prix:

1. Lewis Hamilton (Britain) McLaren

2. Fernando Alonso (Spain) McLaren

3. Felipe Massa (Brazil) Ferrari

4. Kimi Raikkonen (Finland) Ferrari

5. Nick Heidfeld (Germany [Images]) BMW Sauber

6. Heikki Kovalainen (Finland) Renault

7. Sebastian Vettel (Germany) BMW Sauber

8. Jarno Trulli (Italy [Images]) Toyota

9. Mark Webber (Australia) RedBull - Renault

10. Giancarlo Fisichella (Italy) Renault

11. David Coulthard (Britain) RedBull - Renault

12. Ralf Schumacher (Germany) Toyota

13. Jenson Button [Images] (Britain) Honda

14. Nico Rosberg (Germany) Williams - Toyota

15. Rubens Barrichello (Brazil) Honda

16. Anthony Davidson (Britain) Super Aguri - Honda

17. Alexander Wurz (Austria) Williams - Toyota

18. Takuma Sato (Japan [Images]) Super Aguri - Honda

19. Vitantonio Liuzzi (Italy) Toro Rosso - Ferrari

20. Scott Speed (U.S.) Toro Rosso - Ferrari

21. Adrian Sutil (Germany) Spyker - Ferrari

 22. Christijan Albers (Netherlands) Spyker - Ferrari

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