The final race of the Zandvoort weekend is due to start at 16.15 local time (15.15 UK), with the top-12 drivers from the combined qualifying result reversed on the grid.
The reversal puts JHR Developments' Kai Daryanani onto pole position, ahead of Elite's Will Macintyre, who won the reverse contest last time out at Silverstone.
Hitech TGR's Keanu Al Azhari and VRD Racing's Hugo Schwarze fill row two ahead of Rodin's Gianmarco Pradel and the second JHR of Noah Lisle.
Argenti with Prema's Yuanpu Cui is next up ahead of Hitech TGR's Nikita Johnson, with the top-10 completed by Cui's teammate Reza Seewooruthun and Xcel Motorsport's race one winner Patrick Heuzenroeder.
Hitech TGR's Deagen Fairclough and Rodin's race two victory Alex Ninovic complete the top-12. The full grid is shown below, and the race can be watched live via this link.
GB3 Championship, partnered by the BRDC, Zandvoort race three grid:
1. Kai Daryanani, JHR Developments
2. Will Macintyre, Elite Motorsport
3. Keanu Al Azhari, Hitech TGR
4. Hugo Schwarze, VRD Racing
5. Gianmarco Pradel, Rodin Motorsport
6. Noah Lisle, JHR Developments
7. Yuanpu Cui, Argenti with Prema
8. Nikita Johnson, Hitech TGR
9. Reza Seewooruthun, Argenti with Prema
10. Patrick Heuzenroeder, Xcel Motorsport
11. Deagen Fairclough, Hitech TGR
12. Alex Ninovic, Rodin Motorsport
13. Abbi Pulling, Rodin Motorsport
14. Lucas Fluxa, Argenti with Prema
15. Stefan Bostandjiev, Fortec Motorsports
16. Bianca Bustamante, Elite Motorsport
17. Flynn Jackes, Elite Motorsport
18. Divy Nandan, JHR Developments
19. Jack Sherwood, Xcel Motorsport