HRT has confirmed that Narain Karthikeyan will get another Friday practice outing at next weekend's Japanese Grand Prix.

The Indian driver, who made a return to the cockpit during Friday practice in Singapore, will replace Tonio Liuzzi for the opening session of the weekend at Suzuka as he continues preparations for his return to the grid for his home race at the end of October.

Liuzzi will then take over at the wheel for the remainder of the weekend, which he admits will be far from easy for the Spanish strugglers given the high-speed nature of the Suzuka circuit.

However, on a weekend where he will wear a special helmet to support victims of the earthquake back in March, Liuzzi said the team would continue to push hard, with the possibility of rain improving their chances.

"We're reaching the final straight of the championship with the next event in Japan," he said. "Suzuka is one of my favourite circuits and definitely one of the nicest tracks. It is a really fast and technical circuit where set up and aerodynamics are key to having a good result. It won't be an easy place for us but we will put up a fight until the end. We are really motivated to keep on pushing until the end of the season.

"Weather conditions are uncertain, which could be interesting since experiencing difficult weather conditions in Japan may give us a better chance of achieving a good result. For this Grand Prix I've wanted to pay my respects to the victims of the earthquake that struck Japan earlier this year by wearing a special edition helmet named Embracing Japan designed by Kaos Design, the helmet will later be put up for auction with the benefits going towards charity."

Team-mate Daniel Ricciardo will be making his debut at Suzuka but team boss Colin Kolles said he expected the Australian to quickly get up to speed.

"We expect the updates that we brought to Singapore to slightly improve our performance under such conditions," he said. "Tonio's experience and skills will certainly contribute to this improvement while Daniel will find himself again facing a new challenge at a track that he has never driven around before, although I am sure he will adapt to it and push as he has done over the past races.

"After the earthquake that struck Japan earlier this year, it is important that Formula One goes back there and we all show our support and commitment to the country and the Grand Prix. Singapore was a tough race but we had a positive weekend overall closing the gap to our rivals and having both cars finish the race. We have to continue making steps forward."