Felipe Massa: "We had another good day with over 100 laps completed."
Day three of test ends with the World Champion outpacing the pack, despite running a harder tyre.
Veteran engineer Pat Symonds admits factory Merc squad is still out front, but thinks Williams is poised to lead the chase.
Mercedes chasers go to war on super-soft tyres, but they’re still slower than Rosberg from yesterday on softs.
Felipe Massa: "The FW37 never showed a sign of an issue and this has been the case since we arrived at the first test in Jerez."
Team will be back on track tomorrow with Valtteri Bottas at the wheel for the final day of the second test.
Felipe Massa: "We completed the programme for the day without any unexpected issues."
The team showed strong development throughout last season and aim to continue this as the regulations show minimal changes for the new season ahead.
Williams is determined to continue this positive momentum into the new season.
The meteoric return to form of his old title-winning team Williams last year surprised 1997 world champion Jacques Villeneuve
With the 2015 Silly Season in full swing, here's a look back at who made the best moves going into this season.
Felipe Massa almost stole the show in Abu Dhabi.
Different strategies set up a grandstand finish between Hamilton and Felipe Massa.
The team’s first double podium finish since 2005 secured third in the Constructors’ Championship with Valtteri Bottas fourth and Felipe Massa seventh in the Drivers’ Championship.