Naruto wins by

[Raijingan]

Catching the chidori injuring his hand, then he will rasengan Sasuke to the face injuring Sasukes head

 

[RNITBmsage]

a rasengn to the head would kill him
naruto will probably jsut super punch him

 

[LogicnoJutsu]

I thought everyone already knew this when the chapter came out and put it together day 1.