In a title tussle reminiscent of the one that pitched Stoffel Vandoorne and Daniil Kvyat together last year, Tech 1 Racing' championship leader Gasly goes into the final weekend 11 points clear of Manor MP Motorsport's Rowland, though the British driver knows the title will be his if he can win both races.
Should he do so, Rowland will be the first driver to come from behind in the last round since 2008.
Lying 44 points adrift of Gasly, ART Junior Team's Ocon is still in with a chance, albeit a slim one.
Bolstered by his first win of the season in France, the Lotus F1 Junior Team driver needs to score two more victories to have any hope of the taking the title.
Should he fail to achieve that unlikely feat, the invite to the November Formula Renault 3.5 Series test session that comes with third place will nonetheless provide him with some consolation.
Jake Dennis (Fortec Motorsports) and Oscar Tunjo (Josef Kaufmann Racing) could yet snatch third place themselves.
Back in the top three in race two in France, the Briton has a 10-point deficit to make up on Ocon, while the Colombian is hoping to repeat the successful weekend he enjoyed in Barcelona last year.
Back with a bang after the summer break, Nyck de Vries (Koiranen GP) will be keen to end on a high, as will Luca Ghiotto (Prema Powerteam), the winner of the Formula Renault 2.0 Pau Trophy back in May.
With the rest of the field looking to do the same, it promises to be a fiercely contested weekend at the Circuit de Barcelona-Catalunya, one in which the team title will also be decided.
Currently holding a comfortable advantage over Fortec Motorsports, Tech 1 Racing will be sending out Matt Parry, who leads the way in the Formula Renault 2.0 North European Cup standings.