I don't think any other is worse than lucario vs. lucario.
You could be totally owning and then you just get totally owned.
Even when your two lives ahead, each hit to you does like 20% and you die at like 80%.
That's what you get when the king of comebacks vs. the king of comebacks. :P
I was on wifi today and the first match i 2 stocked him, second he 2 stocked me and 3rd barely won. lol.