Lyon secured a Champions League place for next season after thrashing Monaco 6-1 at Parc Olympique Lyonnais.
Lyon and Monaco made it seemingly a two-horse race for second place in Ligue 1 with wins on Saturday.
Monaco missed the chance to return to second place in Ligue 1 after conceding a late goal to draw 1-1 at Rennes.
Monaco beat out-of-form Marseille 2-1 at Stade Louis II to move back into second place above Lyon in Ligue 1.
Lyon moved into the Champions League qualification places in Ligue 1 after coming from behind to beat Lorient 3-1 on Sunday.
Rennes recorded an emphatic 4-1 victory over Nantes on Sunday, while Lyon went one better with a 5-1 win over Guinhamp.