It's been a wet start to the weekend, particularly in first practice where only half the field set a lap time. That is firmly behind us, however, as we look ahead to qualifying. An hour to decide the fast from the slow, with six drivers dropping out each time across three sessions. Will Mercedes retain their super-fast Saturday skills, or has Vettel kept his qualifying edge? Can anyone else challenge Mercedes or Red Bull for supremacy and pole position? Today, we're going to find out.