Verified answer

Natsu vs Ace- Ace. He is fire, and a logia type, natsu would have to need haki to hit him.

Zoro vs Erza- Erza would win, she has tons of amour that'll counter zoro's attacks. And zoro has a thing about not killing girls.

Lucy vs Robin- It's kind of hard to tell but robin.

Rouge vs Blackbeard-Blackbeard

Makarov vs Whitebeard- Whitebeard

Lavus vs Enel- Enel. He is lightning itself. Lavus can't hit him unless he has haki.

Gajeel vs Sanji-Gajeel

Pantherlily vs Chopper-Chopper wins

Gildarts vs Shanks-We don't know much of shanks abilities except for haki in that case I say gildarts.

Gray vs Aokiji- Aokiji. He is ice itself, and gray would need haki to hit him.

BQ:Natsu would not be able to eat ace because ace has unlimited amounts of fire. Either way ace can change to hand to hand combat.

EDIT: Scratch that. Natsu would be able to eat the fire but it wouldn't matter since ace can switch to hand to hand combat.

Whitebeard Vs Blackbeard

Erza vs zoro: zoro cuz there is an episode he cuts an iceberg in half so he can cut any armor that she uses.

Whitebeard vs makarov: whitebeard can destroy the world so he wont lose to him

Blackbeard vs rougue: blackbeard has the power of whitebeard and darkness so he wins

Laxus vs enel: enel is a lightning itself and a god at the same time so laxus doesnt have a chance

Ace vs natsu: ace will win, natsu cant eat him cuz ace isnt fire, he can transform into fire but that doesnt mean he is fire

Mirajane vs cho

Natsu vs Ace- Natsu he can eat fire. plus after his training he should be able to do dragon force like wendy

Zoro vs Erza- Erza she has the fairy armor

Lucy vs Robin- Lucy she can use urano metoria

Rouge vs Blackbeard- Rouge he can eat the shadows

Makarov vs Whitebeard- Makarov he can use Law

Laxus vs Enel- Laxus he can eat lightning and can become lightning. Plus since it's magic haki cant hit him

Gajeel vs Sanji- Gajeel he's iron and kicks can't break his scales

Pantherlily vs Chopper- Pantherlily, he has his epic sword and can grow and shrink to fight aswell.

Gildarts vs Shanks- Gildarts He has crash

Gray vs Aokiji- Gray. He is a devil slayer and can eat aokiji

natsu

erza

robin

rouge

whitebeard

laxus

sangi

chopper

gildarts

gray

All won their battle who won the all the matches natsu

CONTINUATION OF MY ANSWER:

BLACKBEARD VS. ROUGE- rouge. because blackB is the darkness itself..rouge eat darkness or shadows.

MAKAROV VS. WB- makarov. because he can use fairylaw..he never needs a haki to defeat WB. just in a magic with a flash of light.

pantherlily vs chopper - panther. what is the sense of being a bigger or stronger if you don't have a strenght to control it?

aokiji vs. Gray - Gray. whether the kind of enemy he use Ice shell.