Neymar scored twice as his side were forced to settle for a point in a six-goal thriller against Monaco at the Parc des Princes.
Paris St-Germain’s defensive shortcomings were exposed as Monaco snapped the champions’ Ligue 1 winning streak in a thrilling 3-3 draw.
Tuchel’s side relied on Neymar’s sterling display but Kylian Mbappe, Mauro Icardi and Angel di Maria had a night to forget as did the hosts’ defense.
Neymar struck a third-minute opener before goals from Gelson Martinez and Wissam Ben Yedder completed a quick six-minute turnaround for the visitors.
Fode Ballo-Toure’s own-goal and Neymar’s second from the penalty spot handed PSG a half-time lead.
But Islam Slimani made it 3-3 after 70 minutes to deny the champions victory.
Slimani’s goal was eventually awarded after a lengthy VAR review overruled an initial offside verdict.
Kylian Mbappe and Edison Cavani squandered injury-time opportunities as PSG chased a winner.
It was the first time since 2012 that PSG had conceded two goals in the opening 15 minutes in Ligue 1.
“We had a lot of chances. We tried everything.” Said Neymar.
“It was a good test and we could have won it.”
The results left PSG on 46 points from 19 games. Five ahead of second-placed Olympique de Marseille who have played a game more. Monaco is eight placed on 29 points having also played 19 games.
PSG who had won their six previous games and Monaco will play again at the Louis II stadium on Wednesday.
Elsewhere, Lille coach, Christophe Galtier was fuming at his team after they lost 1-0 at Dijon. They were left in fifth place on 31 points.
“We are talking about collective goals. But some players seem to have individual goals. They’ll sit on the bench, period. They will look at their navel on the bench or in the stands.” Said Christophe.