The German giants had no answers to their French counterparts as Dani Alves, Edinson Cavani and Neymar all found the back of the net to secure a convincing 3-0 win at Parc des Princes.
And, with the dust yet to settle, Ancelotti has seemingly made the decision to relinquish the reins in Bavaria following an emergency meeting at the club on Thursday.
Bayern assistant coach Willy Sagnol is now set to take over until a permanent replacement can be found, with former Borussia Dortmund boss Thomas Tuchel thought to be a major frontrunner for the job.