[cardcounter0]

What happens if a T comes on the turn or river?
And aren't these 3 outs the same 3 outs the Ax player has of getting his x?
And aren't there more x's below T than above T if neither T or x comes or if both x and T come?

So I would say AT is still a pretty good hand HU, even when you know the other player has an A.