When Zoro defeat Mihawk he will be automatically the strongest swordsman of all time.
But I still don't believe Mihawk is Zoro's final opponent
But I still don't believe Mihawk is Zoro's final opponent
It can't be Fujitora or Gandhi cuz they seem too "Weak" or not "Strong enough"
They are pre-Mihawk fights.
But maybe someone who is stronger than Roger Xebec Whitebeard etc.