Originally Posted by
Majad
I can honestly say with confidence that Byakuya has the upper hand on him, simply because his intelligence is above the top, and he knows he can't win if he exchanges blades, and he knows this better than anyone else, he doesn't need to exchange swords with Zaraki because of his zanpakutou's power and bankai, so he clearly has the upper hand.
But since Zaraki is a brute, his super power that can and should easily deflect Byakuya's shikai's damage(though I doubt that about his bankai but I wouldn't be surprised), he too can beat Byakuya, I honestly can say it would be a fair fight, although, since Zaraki is dumb as fuck, yes, fight is fair, but if Zaraki had the same intellengece or the same skill with his zanpakuto as Byakuya has, then I'd say Zaraki could win him and would have more chances.
But it doesn't really matter because atm, Byakuya is better and Zaraki is dumb, well, since it's been atleast 2 years, we still don't know how much power they got.