Even for the biggest Manchester United fans, this is tough.
Can you name every team to have knocked Manchester United out of Europe?
You have five minutes to name each team that dumped the club out of continental competition since 1993, when United returned to the European cup for the first time since the late 1960s.
In the 2005/06 season, they went out in the group stages of the Champions League, so we're not looking for you name the teams that advanced instead of them that year.
Just the teams that defeated United in the knockout stages of European competition.
There are 18 answers, and you have five minutes. Good luck.
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