Manchester United have a proud history in the Champions League, but they have also suffered some disappointing nights.
We’re testing whether you can name every team to have beaten United in a Champions League knockout tie, including finals.
You’ve got 10 minutes to get them all. Good luck, and don’t forget to tweet us your scores @planetfutebol.
Note: If you’re having problems attempting the quiz, play it on the Sporcle website.