Toro Rosso's Jean-Eric Vergne is 'confident' the team will be more competitive in Korea next week.

Vergne finished a lowly 14th in Singapore, with his car suffering from overheating problems in the final stages.

Despite that though, he is hopeful they will go better at Yeongam, a circuit that should play to the strengths of the STR8.

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"We always knew that Marina Bay was going to be a hard track for us," he wrote in his latest blog on the official Toro Rosso site. "It's not one we thought would particularly suit the car, but while that proved correct, we did show some good pace across the weekend.

"The team [also] did a great job in setting up the car for the conditions and the performance was actually quite good. We were just undone by some technical issues."

"We're now going to circuits that should suit the car better than Singapore," he added.

"I'm confident we can be competitive in Korea, a circuit I like and which has characteristics that should work in our favour. I finished there in P8 last year and I made my debut there in 2011, running in Friday morning's free practice, so it's got a few good memories for me as well.

"Let's hope we can add a few more next week."