The Racing Engineering team can celebrate a very well deserved Championship victory but there is still one more race to go in the 2013 season due tomorrow.
Stefano Coletti mathematically still within the title fight.
With less than 10 minutes of the session remaining both Fabio and his main title rival, Sam Bird, were sitting in the pits preparing themselves for a final fast lap.
Series leader fastest in Abu Dhabi
Jolyon Palmer is targeting further victories this weekend
Barwa Addax Team out of luck in Marina Bay.
Fabio Leimer keeps his lead in the 2013 GP2 Series Championship by seven points following another strong race and the Championship is now, realistically, between Fabio and Bird.
Leimer is still the classification leader with 179 points and is followed by Bird at 172 and Nasr at 148. Coletti is currently fourth at 135.
Stefano Coletti is currently fourth in the standings with 135 points.
Tomorrow at 10.10 am European time (4:10 pm in Singapore) the second race of the weekend will be held.
With the top eight finishers in the race reversed on the grid for tomorrow's Sprint Race, Jolyon will start from eighth place.
The Monegasque driver of team Rapax, Stefano Coletti is currently third in the classification.
All the cars were running the P Zero Yellow soft compound Pirelli tyres.
With the dirt asphalt still few rubberised, the monegasque driver has decided not to risk.
Fabio Leimer holds the points lead in the GP2 Series
Jake Rosenzweig and Rio Haryanto arrive in Singapore for the penultimate race of the 2013 season
The title heat is on!
Multi-year deal renewed between Series and Italian tyre manufacturer
Rio Haryanto brought his car home in 7th position in Sunday’s second race.
Coletti was thirteenth, and in the classification he stands in third position at 135 points.
The GP2 Series will be back on-track in two weeks at the Singapore street circuit.