Suggested by Anonymous Brook is a good sword fighter but he hasn’t really kept up with the high tiers of the verse. He would be crushed by Whitebeard really fast if you ask me. Brook doesn’t have enough haki to really try and resist the big fighter. Ultimately what that means is he will continue to get pushed back further and further in this fight and even if he could land a blow or two, I don’t see him being able to land any real damage here which puts him in an even rougher spot. Whitebeard wins.