Lille, which failed to make the difference against Saint-Etienne (0-0), retains the lead in the competition on Sunday evening, followed by PSG, wide winner of Reims (4-0).
Monaco, who won against Rennes (2-1) on this 37th day, keeps third place.
Lille failed to win Sunday night against Saint-Etienne (0-0).
Held in check, LOSC, which retains the lead in the competition, will have to wait until next Sunday to try to assert its superiority.
Also guaranteed to play in the Champions League next season, Lille will be crowned champion of France if it wins in Angers during the 38th day on May 23.
For its part, Paris, winner of Reims on Sunday (4-0), and for the moment second in the competition, will have to hope for another Lille misstep while achieving a good performance in Brest.
Monaco, victorious over Rennes (2-1), remains third, three lengths from Lille, two from Paris, and one point ahead of Lyon.
Results of the 37th day of Ligue 1 football, Sunday May 16:
Paris SG - Reims:
4 - 0
Lorient - Metz:
2 - 1
Montpellier - Brest:
0 - 0
Dijon - Nantes:
0 - 4
Marseille - Angers:
3 - 2
Nice - Strasbourg:
0 - 2
Nîmes - Lyon:
2 - 5
Lille - Saint-Etienne:
0 - 0
Bordeaux - Lens:
3 - 0
Monaco - Rennes:
2 - 1