Felipe Massa is confident Williams will be even more competitive in the Japanese Grand Prix than it was in Singapore.

Strong results in Spa and Monza - two tracks suited to the Williams car - elevated the team in to third in the constructors' championship ahead of Ferrari. Another good race in Singapore allowed Williams to defend that position and Massa believes it has built up some good form to carry in to this weekend's race at Suzuka.

"Japan is one of the best circuits on the calendar," Massa said. "The first sector is amazing and the elevation changes really add to the excitement of the track. We have good momentum at the moment and our car will hopefully be better than in Singapore."

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Head of car performance Rob Smedley said looking after the Pirelli tyres at Suzuka will be crucial to any team targeting a competitive weekend.

"Japan is one of the last remaining old school tracks," Smedley said. "It is incredibly important to get the cars set-up right and very difficult for the drivers to get the perfect lap. The track is one which tests all aspects of the car and so is very tough to get right.

"Tyre management is key, so we hope we have done all of our homework and getting on top of track conditions throughout the weekend will directly affect qualifying and the race."