On the Gaiden series, We haven't even seen Naruto fight seriously. So far, Sasuke has shown his Rinnegan, Ameno, Dimension jumping and now Perfect Susano. Naruto on the hand hasn't even shown is trademark technique the Rasengan. He only used chakra arms, and Kurama head avatar that's it. Even Shin appearance doesn't seem to get him bewildered. It's almost as if Naruto considers him as fodder, so he leaves him for Sasuke to deal with.