Board Thread:Versus Debates/@comment-29769110-20170114130858/@comment-5819833-20170116041430

I'm more incline to believe this would be a stalemate. We've never seen Obito use Susanoo so we can't assume he has it to use and he barely made use of the Wood Release so we don't know how skilled he was in its use (beyond regen abilities). Itachi would definitely figure out the workings of Kamui and without the illness holding him back, Itachi has a lot more stamina and chakra to work with. Plus, both of them would suffer from repeated use of Mangekyo Sharingan. I figure this would end in a draw.