Paris Saint-Germain have missed another chance to wrap up the Ligue 1 title.
PSG had a chance to win the league against Strasbourg earlier this month, but they could only muster a 2-2 draw.
They had another opportunity this weekend against second placed Lille, but they failed in spectacular fashion.
It was 1-1 going into half-time but, Lille scored four times in the second 45 minutes to inflict PSG's heaviest defeat since 2010.
PSG had another chance against Nantes on Wednesday night and unbelievably, they fell to another defeat.
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Thomas Tuchel went into the game having to deal with an injury crisis.
Neymar, Edinson Cavani and Thiago Silva were all ruled out with injury.
Kylian Mbappe also missed the game, with French reports claiming he was dropped after saying PSG 'lack personality' after their defeat to Lille.
Thus, Tuchel was only able to name five substitutes.
Despite PSG being massively under strength, they took the lead when Dani Alves scored a beauty after 19 minutes.
Alves tried his luck from 30 yard out and his strike found the top corner.
Watch it below:
But Nantes came battling back and restored parity just minutes later thanks to Diego Carlos' header.
Fan footage of Carlos' equaliser can be watched below...
The home side then took a surprise lead when Abdul Majeed Waris netted jut before half-time.
Thilo Kehrer's mistake was pounced upon by Nantes and the move ended in Waris tapping home from close range.
Carlos scored his second just after half-time to open up a two-goal lead.
PSG set up an interesting finish after Metehan Guclu scored a late goal.
But Nantes held on, meaning Tuchel's side are without a victory in three Ligue 1 games.
PSG currently hold a 17-point lead over Lille with six games to go.
But they are in an extremely bad patch of form.
Although unlikely, could they be about to bottle a 17-point lead for the title?!