Why didn't the original Smith fight Neo in the end?

well, with the eyes of the Oracle, he thought he had the advantage, which he almost did. He 発言しました further in the fight that he'd seen Neo defeated, and then when Neo got up, he was confused. Also, the Oracle might have had a hand in it, she was still in there, maybe she willed it to be that way. I think it was her that made Smith say "Everything that has a beginning has an end, Neo." I saw that as a kind of signal to Neo, because Smith had always called him Mr. Anderson. Hope that gives a different perspective on things.