Ferrari 's Sebastian Vettel was fastest in the sunny opening session with a lap of 1 : 22.791 seconds and 62 laps to his credit on medium tires .
Ferrari 's Sebastian Vettel is a four times champion with Red Bull but without a win last year .
Ferrari 's Sebastian Vettel , a four times champion with Red Bull but without a win last year , was fastest in the sunny opening session with a lap of 1 : 22.791 seconds and 62 laps to his credit on medium tires .