Board Thread:Naruto Discussions/@comment-28374870-20160504013153/@comment-7292165-20160506191210

I think the OP should have said what version of Kakashi. But I'm assuming he's talking about MS Kakashi not DMS as he's only at the Pain Invasion arc.

If he means that Kakashi, then it is a pretty long list. But most certainly he loses to all members of Akatsuki except Zetsu.