Leicester's perfect record in Europe this season came to end on Wednesday night as Claudio Ranieri's side were held to a 0-0 draw away at Copenhagen.
The Foxes are still in firm control of Group G but will have to wait a little longer to confirm their place in the last-16 of the Champions League.
Sportsmail's Laurie Whitwell takes a look through the key points from a frustrating night in Denmark.
The Tinkerman lives
Memories of Monaco came flooding back when it transpired Leicester were playing three at the back, a total departure from the 4-4-2 system that has served them so well.