The Brazilian racer started 12th but charged throughout the race to gain positions while Chandhok started the race from 18th slot.
As Senna and Chandhok passed the line for the first time they were running 11th and 19th respectively.
However soon after the race was slowed with the appearance of the safety car after Scott Speed collided with the wall leaving his front right corner destroyed.
With the car neutralising the race, Senna was already running in the top ten and Chandhok was 18th as he awaited the restart of the race.
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Once the debris was taken away the race could finally get back underway with no further disruption.
The delay in the race however altered the strategy for both Senna and Chandhok, allowing them to remain out on track for a couple of extra laps before needing to pit for their second cars.
However when they did, both stops were quick and smooth and with all mandatory car swaps complete Senna had made his way up to sixth position and Chandhok 14th.