The Dutchman has earned the outing for being the highest placed driver not associated with one of Red Bull's F1 rivals at the mid-point of the FR 3.5 season.
"It's a huge opportunity to be able to take the wheel of a world championship-winning Formula car, and it will be my first experience of F1," said Frijns, who is the reigning Formula Renault Eurocup champion.
The 20-year-old will get 25 minutes of track time on the Friday of the meeting at Moscow Raceway (July 13-15) to get acclimatised to the car. He will then perform his demo run after the first race the following day.
Frijns is in fact tied on points at the top of the FR 3.5 standings with Sam Bird, and the Briton leads the series on countback.
However, Bird was ineligible for the Red Bull test as he is contracted to the Mercedes F1 team as reserve driver.
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