Ok so we're going to take it to most of the captains of the Gotei 13 and some Espada.
Battle takes place in Soul Society
Zetto in prime (still has Seastone arm)
He fights them one on one, after one battle he is healed and moves onto the next. Battle goes in this order
Ichigo (pre FGT, one who fought Ulqiuorra)
FINAL FIGHT: Yammamoto (no Bankai)