Red Bull junior drivers Carlos Sainz Jr and Antonio Felix da Costa sealed qualification for the Macau Grand Prix with a clean sweep of Snetterton's F3 Cup race on Saturday.
Spaniard Sainz started from pole position in his Carlin Dallara-Volkswagen F308, having beaten team-mate da Costa - in an F312 - by a hundredth of a second.
And the GP3 and Formula Renault 3.5 racer then led the entirety of the race to head da Costa - last year's Macau winner - by 0.9s.
"Da Costa beside me on the start is never easy and he made my life a bit tough in the first few corners," said Sainz.
"We were side by side for quite a while but finally I made it stick and luckily I managed to pull away. I think I got fastest lap and I the backed off a bit last lap."
Current Macau regulations state that only drivers that have taken part in at least one F3 race in the calendar year are eligible to compete.
Neither Sainz, nor da Costa, had raced in the category since the 2012 Macau race.
Third place went to category debutant Esteban Ocon, who has now become eligible to contest Macau with European F3 champion outfit Prema Powerteam. Ocon drove a Mercedes-powered F305 Dallara for Lanan Racing.
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