Valtteri Bottas will start the United States GP, a must win for the Finn in the title race, from pole position with Lewis Hamilton P5 on the grid.
Bottas was the man to beat in qualifying at the Circuit of the Americas, taking pole position ahead of Sebastian Vettel.
Max Verstappen qualified P3 with the top three separated by 0.067s.
Charles Leclerc will line up fourth having avoided an engine penalty while Hamilton, who only needs a P8 on Sunday to wrap up a sixth World title, is fifth ahead of Alexander Albon.
At present the only difference in the grid to qualifying is Sergio Perez.
The Mexican driver, who qualified P19, will have to start from the pit lane after failing to stop when called into the weighbridge in practice.
Provisional grid (as of 10am GMT)
1 Valtteri Bottas Mercedes 1:32.029
2 Sebastian Vettel Ferrari 0.012s
3 Max Verstappen Red Bull 0.067s
4 Charles Leclerc Ferrari 0.108s
5 Lewis Hamilton Mercedes 0.292s
6 Alex Albon Red Bull 0.519s
7 Carlos Sainz McLaren 0.818s
8 Lando Norris McLaren 1.146s
9 Daniel Ricciardo Renault 1.459s
10 Pierre Gasly Toro Rosso 1.572s
11 Nico Hulkenberg Renault 1:33.815
12 Kevin Magnussen Haas 1:33.979
13 Daniil Kvyat Toro Rosso 1:33.989
14 Lance Stroll Racing Point 1:34.100
15 Romain Grosjean Haas 1:34.158
16 Antonio Giovinazzi Alfa Romeo 1:34.226
17 Kimi Raikkonen Alfa Romeo 1:34.369
18 George Russell Williams 1:35.372
19 Robert Kubica Williams 1:35.889
20 Sergio Perez Racing Point 1:35.808 *
* Perez required to start from the pit lane for ignoring a weighbridge call during Friday practice
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