Pirelli's motorsport director Paul Hembery has said that the appearance of the safety car mid-way through the Singapore Grand Prix mixed up strategies considerably.
Sebastian Vettel went on to win the race, his third consecutive 2013 victory, on a two-stop strategy. He pitted on lap 17, switching from the super-soft to the medium Pirelli compounds. He was one of the few that didn't pit during the safety car and managed to extend such an advantage over his competition that he managed to pit on lap 44 for a new set of super-softs and emerge still in the lead.
We saw a range of different two stop strategies with some pitting during the safety car and attempting to go to the end, others not...
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