If sasuke had full access to his rinnegan abilities how do you think a fight versus

[Animegoin]

Thought frog Kata used natural energy...not chakra

You’re right and looking back at Sasuke and Naruto’s final fight, Sasuke wasn’t able to see where the energy came from however, he was able to sense it.

 

[Yahcob13]

He would chibaku tensei himself and switch places with Naruto. GG

 

[niceday]

Sasuke will use the Gedo Mazo and take Kurama away from naruto.

 

[ThelUchiha]

Nagato alrdy beated Naruto with kyuubi mode with ease

 

[ninjarasengan]

Nagato already bested Naruto with kyuubi mode with ease

Unmastered Kyuubi mode without Sage Mode.

He gets ghost punched.