Auxerre finished the first half leading with three goals scored by Lassine Sinayoko, Gaëtan Perrin, and Hamid Junior Traoré in the 10th, 43rd, and the final moments of the half.
In the second half, Marseille managed to score a consolation goal through Mason Greenwood in the 65th minute from a penalty kick.
With this victory, Auxerre increased their points to 16, placing them sixth in the standings, achieving their fifth win of the season against five losses and one draw.
On the other hand, Marseille's points remained at 20, keeping them in second place, as they suffered their third defeat of the season, with six wins and two draws.