Max Verstappen set the pace at the first practice session in Spielberg, ahead of AlphaTauri's Pierre Gasly who was a surprised second place.
Verstappen, who leads the Drivers' Championship, went to the top of the timesheets midway through the session to go 0.256 seconds faster than Gasly as Lewis Hamilton trailed the pair in third.
Valtteri Bottas was fourth, ahead of Yuki Tsunoda as AlphaTauri underlined their strong pace at the Red Bull Ring.
Fernando Alonso pipped Alpine teammate Esteban Ocon to sixth whilst Lance Stroll, Antonio Giovinazzi and Charles Leclerc round out the top 10 in Austria.
The full results from the first practice session for the Styrian GP can be seen below.
Practice 1 - Styrian
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