Renault's Nico Hulkenberg believes the Hungaroring is a perfect circuit to test Robert Kubica's ability behind the wheel of a new-spec F1 car.
Following Kubica's recent sensational comeback efforts, which included tests at Valencia and Paul Ricard with a 2012 V8-powered Lotus E20, Renault have awarded the Pole with a full-scale run in its current RS17 at next week's two-day test in Hungary.
Renault's Nico Hulkenberg thinks the demanding and winding Hungaroring will immediately put Kubica to the task and deliver a clear verdict on his true capabilities.
"The Hungaroring is one of the most strenuous tracks, because there is only one straight on which to relax," the German told Auto Motor und Sport.
"After the race weekend there's a lot of rubber on the track too, which means maximum grip. Anyone who passes that test can also drive a Grand Prix.
A report in Bild newspaper suggests that Renault's "secret plan" is for Kubica to impress in Hungary and then "replace the struggling Jolyon Palmer at Spa on August 27".
Both the French outfit and the Pole are taking it one step at a time however, even if Renault Sport F1 boss Cyril Abiteboul admits that Kubica could become a contender for a seat with the team in 2018.
"It's too early to say of Kubica can come back, but the idea is at the back of our minds," said Abiteboul.
"There's a lot to go through still. He's only driven a old car, with a down-tuned engine and demo tyres. There's no race stress involved.
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