The reigning champion led each session throughout the weekend to take victory for Veloce Racing, her second of the season.
She additionally took the bonus factors for quickest lap, setting a 1m43.611s, whereas her occasions remained constant all through the race.
Her win places her again to the highest of the championship standings, with Powell, driving for Racing X, carefully behind, with two wins apiece of the 4 races thus far this season.
W Sequence Academy driver Nerea Marti took third – her first podium of the collection – with team-mate Irina Sidorkova in fourth.
2019 runner-up Beitske Visser took fifth for M Forbes Motorsport, with Emma Kimilainen (Ecurie W) in sixth and Puma’s Marta Garcia in seventh.
There was a 10-minute delay to the beginning of the race whereas harm to the limitations attributable to Carlos Sainz Jr’s crash in System 1 qualifying was repaired.
Chadwick held the lead into lap one, regardless of Powell getting off the road rapidly.
Jamie Chadwick, Alice Powell firstly of the race
Photograph by: Zak Mauger / Motorsport Images
Sidorkova handed Visser at Flip 3, with the Academy driver shifting up into fourth, whereas Kimilainen and Belen Garcia (Scuderia W) tussled for seventh, with Kimilainen conserving her place.
Fabienne Wohlwend misplaced the entrance wing of her Bunker Racing automotive after contact on the primary lap, pitting for repairs earlier than she ultimately retired on lap 11.
Chadwick and Powell had constructed up a robust hole to the remainder of the sector by lap 4, with the reigning champion main by 1.4 seconds, with virtually 4 seconds between Powell and third positioned Marti.
By lap seven, Chadwick had constructed up a 2.4 second result in Powell, with one other second between her and Marti.
On the midway mark, with Chadwick persevering with to drag away to keep up her lead.
Miki Koyama (Sirin Racing) and Ecurie W’s Abbie Eaton made contact in a race for twelfth on lap 14, with Koyama virtually going off the monitor earlier than sweeping previous Eaton to take the place, albeit with harm to her nostril cone. The incident is ready to be investigated after the race.
Kimilainen and Puma-sponsored Marta Garcia battled for sixth with simply two minutes of the race time to go, with the extra skilled Finn virtually operating off the street earlier than taking the place.