Board Thread:Versus Debates/@comment-30426414-20161228222316/@comment-30426414-20170108064157

Phylos wrote: If we mean the Sasuke who fought Deidara, Itachi in canon, or Naruto at the end then that Sasuke would just carefully force Itachi to spend everything, taking advantage of his larger chakra pool... just like he actually did.

Sasuke ran out of chakra before itachi did, chapter 390 page 18. Both itachi and sasuke say that sasuke is out of chakra.