Ferrari left the opening week of testing looking like the benchmark for the rest of the field. But how will the final four days shape up?
Ahead of the resumption of testing on Tuesday at the Circuit de Catalunya, we look at the five things we expect to see or learn by the end of the week.
Ferrari flexing its muscles
What made Ferrari's lap times in the opening week of testing so impressive was that they were set on relatively hard compound tyres and relatively high fuel loads.