Carlos Sainz Jr had to chalk the 2015 Chinese Grand Prix up to experience as he brought his Toro Rosso home 14th on the road at Shanghai International Circuit.

The Spaniard, already disappointed at not having made the most of the STR10's potential in qualifying, opted for a different strategy to the majority but clashed with predecessor Daniil Kvyat on the opening lap of Sunday's race and, while escaping unscathed, went on to endure a somewhat fraught afternoon, with an early spin and mid-race gearbox glitch limiting his opportunities to recover.

Indeed, it appeared that Sainz may be forced to retire when his car slipped into neutral and was coasting, but somehow he managed to coax it back into life and rejoin with minimal loss of position. He eventually crossed the line in 14th place, but was promoted one position when the stewards decided that Jenson Button was responsible for his clash with Pastor Maldonado and added five seconds to the McLaren man's race time.

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"It was a very difficult race for us today," Sainz confirmed, "We started on prime tyres, but the track was very green and dirty at the beginning, so we immediately suffered a considerable lack of grip. While I was really pushing hard to be on top of Force India for the first stint, unfortunately I made a mistake.

"From then on, as soon as we put the soft tyres on, the balance came back and I was feeling comfortable with the car, but unfortunately we had an issue with the gearbox - which we still have to investigate - which made us lose more time. Without that problem, I think we could've been in contention for points...."