Litterly it makes no sense if he looses, here is why.
Rikudou Sasuke was suppose to be = to Rikudou Naruto
Rikudou Naruto got powered down, lost the Rikudou powers (probably)
Only had 3 orbs
Lost Yang Kyuubi
Sasuke on the other hand
GOT all the tailed beasts, including Yang Kurama, as...