Paris Saint-Germain were dumped out of the Coupe de La Ligue after a shock 2-1 defeat at home to Guingamp on Wednesday:
Manager Thomas Tuchel named a strong team for the clash, with Neymar, Kylian Mbappe and Thiago Silva all starting against Ligue 1's bottom side.
Guingamp managed to successfully frustrate the holders in a dour first half at the Parc des Princes. Mbappe came the closest to breaking the deadlock with a lobbed effort that flew just wide.
Tuchel sent on Edinson Cavani and Marco Verratti at half-time in search of a winner, and the Uruguayan forced goalkeeper Karl-Johan Johnsson into a save within minutes of the restart.
Guingamp missed a superb opportunity to take the lead on the hour mark after Thomas Meunier conceded a penalty for a foul on Ludovic Blas. However, Marcus Thuram stepped up and clipped the ball high over the bar.
The miss proved costly as PSG went ahead almost immediately afterwards. Meunier made amends for his error with a cross into the box which Neymar headed home.
Yet PSG were awarded a second penalty late on when Juan Bernat tangled with Marcus Coco. This time Yeni Ngbakoto took the kick and sent Alphonse Areola the wrong way to make it 1-1.
The game looked to be heading straight to penalties when Guingamp won their third spot-kick of the match in stoppage time. Thuram again stepped up and this time fired the ball home to send the holders out.
Neymar Is Not Yet The Leader Tuchel Has Asked For
Tuchel talked about Neymar in the buildup to Wednesday's match and said he feels the Brazilian "wants to prove he is capable of being a leader at PSG," per Albert Aubach at Sport.
However, the Brazilian could not lead his team past Ligue 1's bottom side, who pulled off a massive shock at the Parc des Princes.
Opta noted just how long it's been since PSG last suffered a defeat in cup competitions:
PSG have won the Coupe de la Ligue for the last five seasons, and while it's not one of their top priorities, defeat means there will be no repeat of last season's domestic treble.
Neymar did manage to find the back of the net and open the scoring on 62 minutes, but it was the only real moment of inspiration from the 26-year-old.
He was afforded little time on the ball, but too often he conceded possession too easily. He wasted two good chances with free-kicks, and a late run forwards ended up with the Brazilian selfishly blazing the ball high and wide.
He also ended the match with a yellow card as PSG's frustrations boiled over:
This is a game PSG were expected to win. Guingamp have the worst defensive record in Ligue 1 this season, with 34 goals conceded and a goal difference of minus-20.
They were beaten 3-1 at home by PSG in the league in August, while Nantes thrashed them 5-0 in November and Marseille and Lyon have both put four goals past them.
PSG were ultimately undone by errors in defence, conceding three penalties in the last 30 minutes, but Tuchel would have been expecting far more from his star man against the Ligue 1 strugglers.
Both teams return to Ligue 1 action at the weekend. PSG are away at Amiens on Saturday, while Guingamp host Saint Etienne on the same day.