The Australian was the first driver to discard Pirelli 's wet - weather tyres for a medium - compound slick .
The Australian immediately put six seconds between his benchmark time and second - placed Kimi Raikkonen of Ferrari after 32 minutes .
The Australian was the first driver to discard Pirelli 's wet - weather tyres for a medium - compound slick and immediately put six seconds between his benchmark time and second - placed Kimi Raikkonen of Ferrari after 32 minutes .