I think it will be close.
This is not close. This is killing! Kai is killing Phil Heath in this pose. Phil dosent have the smal tendons and ankels, writs...He is thick all over. Kai is different, he got smal wrist ankels , tendons making an illusion of having rounder muscles that "pop". Kai double bi is almost perfektion.
From this I think Kai should be Mr O.
Kai almost have Arnold lines, lats and biceps, but much bigger. Nice sweaping lines, very nice! He is a statue! New Mr O. Give it to him, he deserve it, put all his live into it! Make the poor man rich!