After back-to-back point-scoring finishes in the two latest rounds of the 2015 F1 world championship, Romain Grosjean has good reason to look forward to next weekend's Spanish Grand Prix.

The Frenchman moved himself into the championship top ten with a second successive seventh place in the Bahrain Grand Prix two weeks ago and, with Lotus clearly having a handle on its new E23, he is confident that he can continue his scoring streak in Barcelona.

"It's pretty exciting," he said of the season so far, "We've seen some good races, with us fighting hard in the pack, [while], up front, we've seen some good dicing and Ferrari have shown that Mercedes is not invincible."

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While the points have not flowed consistently since the start of the season - he started DNF/11th - Grosjean has already seen potential in the E23.

"In terms of performance, we have achieved a one hundred per cent record in reaching Q3, which is a very good result," he said, "We could have done more in the first two races had we not had a few issues, but I think that we got everything right from China onwards. It's very good to be in the top ten in qualifying and then play with the strategy in the race. I'm happy with the points we have scored these last couple of races, but let's now get more at every race and continue to improve."

While not his best result in the top flight, Grosjean does have a fourth place finish at the Circuit de Catalunya and, despite all the testing that F1 carries out at the Catalan venue, he has good reasons for looking forward to returning.

"Barcelona means the start of the European season," he explained, "That means we can travel less, which is good as you soon get bored of those long haul flights, even if the destinations are great when you get there!

"More importantly, it also means we see quite a lot more updates on the cars, which can make everything interesting. We've had a couple of weeks since Bahrain and it's only a short flight from Enstone to the circuit, so there's been a decent amount of time for some more developments to the car."

Grosjean admits to having lost count of the number of laps he has completed at the Circuit de Catalunya, even only taking into account his time in F1, but he is still keen to prove that he knows it just a little better than his rivals.

"It's a circuit we've seen pretty often in our career so I know it well, and I have some good memories from the past," he reflected, "It was our best circuit last year, and I also finished fourth back in 2012, as well as setting the fastest lap. It is a circuit everyone knows backwards so, as a team, we go to Barcelona intent on getting much more performance from the car.

"I quite like the first section of the circuit - it's fast and you get a lot of grip from the car as you can really feel the downforce pushing you hard to the road. I'm a bit less of a fan of the final sector, which is twisty, but that's where you can make the most lap time improvement so it's important to get it right.

"It's almost impossible to know [how many laps I've done there]. I've driven many, many laps of the circuit in F1 and in different junior series I've competed in. I've drawn the track with my eyes closed in the past, so trying to drive a lap eyes closed in the simulator at the end of a day's work could be fun. I'll do it next time I'm in Enstone..."