The coach wants his side to emulate the performance of its rival when the club begins its Europa League campaign on Thursday.
Frank de Boer feels his Ajax side can take inspiration from rival PSV as the club prepares to face Celtic in the Europa League on Thursday.
The Eredivisie champion came from behind to beat Manchester United 2-1 in its opening group game of the Champions League on Tuesday.
De Boer believes PSV has shown Ajax the way it must approach the game if the side is to take maximum points from the visit of Ronny Deila's men.