Sanji all opponents faced and defeated.
Through my post, I would cover all the opponents faced by the Sanji in his journey so far along with the Mugiwara’s.
Post-Timeskip Sanji
EAST BLUE SAGA[]
Gin & Pearl– Before even joining Luffy’s crew, Sanji found himself at a very tough spot and faced the crew members of Don Krieg. He defeated no of pirates and even kicked the hell out of Pearl, who was different from the others and was known for his unbreakable wall. As Sanji could finish off Pearl, Gin intervened and knocked his own crewmate down in order to fight Sanji himself. Gin unleashed counterattacks on Sanji and mocked him that he could never beat him. Infuriated with anger Sanji finally managed to get the better of Pearl but he still could'nt figure out ways to take care of Gin. Somehow there was the change of heart in Gin and he inhaled poisonous gas to save Luffy.
Kuroobi– Kuroobi was the Fishman and Sanji came across him at Arlong Park. Kuroobi took pride in his immense strength of Fishman Karate and superior race. He ambushed Sanji in water and restrained him in getting out of the water to take breathe. Somehow Sanji was able to escape from his clutches and put the big man to rest by his Muton Shot, thus ending the fight.
GRANDLINE[]
Unlukies– Sanji managed to raid the hideout of Mr.39 and manipulated Crocodile in providing him the false news of entire Straw hat crew got killed. Later he killed Unluckies to prevent them from exposing him.
Wapol Pirates– In Drum Island Arc, Sanji fought with lapahns and challenged the army of Wapol along with the Luffy. He took on chess and Kuromarimo and kicked the hell out of them.
Mr.2– Sanji received a tough challenge in Alabasta in form of Bon Clay, who was a master of Okhama fighting style. This was also the first time when Black Leg Sanji got someone who challenged him in a fight. Bon clay had an ability to face swipe, thanks to his devil fruit ability. He kept on wiping his face with that of Nami and relentlessly attacked Sanji. Sanji due to his chivalric nature kept holding back, and restrained himself from striking. After a brief altercation, Sanji managed to defeat him and thus earning a good victory.
Enel& Satori – In Skypiea Sanji came across a priest named Satori. Satori had a control over Observation Haki and kept on predicting Sanji’s move and attacking in his own way. Sanji only managed to kick him because Luffy was holding him up and with one kick to his head Satori passed out. Sanji also had some brief scuffle with Enel and had to face several repercussions due to the encounter.
Davy Jones Fight– Along with Zoro, Sanji participated in a competition and after few ups and down they finally were able to defeat the trio of foxy pirates clean.
Admiral Aokiji– Sanji alongside with another member of Monster trio fought with Admiral Aokiji. But it didn’t go well for them. They got their ass handed over by the Admiral and suffered an onrushing defeat.
Franky family– In order to avenge Usopp, Sanji alongside other members of Straw-hats brought misery to Franky family and took out all of them at one go. They destroyed the hideout of the Franky family too.
Blueno and other marines– When Sanji sneaked on the sea train to get Robin back he fought with no of marines along with their cook and ended up defeating all of them. Sanji hits Concasser to Blueno and was on the verge of taking down Tekkai.
Khalifa– at Ennies Lobby Sanji first squared with Khalifa, but due to his chivalry, he resisted in kicking a woman. In the end, he got whooped and later Nami took his place.
Jabura– after Khalifa, Sanji shifted his focus to Jabura, another master of Rokuishik Technique. He also had an ability of wolf having been consumed Zoan devil fruit. Both fought brutally with Sanji emerging victorious out of this matchup. Along with the fight Sanji managed to gain a power-up of Diable Jambe or The demon leg.
Absalom– Sanji was infuriated with Absalom due to him shattering his dream of becoming invisible. Sanji got furious when he found out that Absalom was going to marry Nami. He made Absalom experience the repercussions of his fierce attacks. Sanji managed to destroy Absalom and free Nami from his clutches.
Oars- Along with Strawhats Sanji launched counterattacks against the Oars who were possessed by Luffy’s shadow. With Diable Jambe combat attacks he managed to topple Oars on the ground.
Kuma and Kizaru– In Sabaody Archipelago when Kizaru and Pacifistas were in hot pursuit of Zoro. He was the first one to go after PX in order to save him. But it was still no use as hi cracked his shin and slumped to the ground.
Ivankov– At Kamabakka Island, in order to retrieve information from Ivankov, Sanji got engaged in a fight with him but to no avail as he got taken out by the Okama king.
THE NEW WORLD[]
Wadatsumi– In Fishman Island, Sanji battled with Wadatsumi. He showed his new technique of Skywalk and with "Hell Memories" managed to defeat the giant fish.
Vergo– At punk Hazard in the new world, Sanji squared off against the right hand of Doflamingo. The battle between both was focused on the onslaught of kick course. The battle was turning out to be intense and Vero was having an upper hand on him as Sanji got his shins cracked. But Vergo soon took off and the fight was left in between, too much annoyance of fan.
Doflamingo– In process of saving his crewmate Sanji took on the warlord himself. With his fiery Diable Jambe and Kick course earned the great amount of appreciation from Doflamingo, before putting out by the same men. He was saved by Trafalgar Law.
Germa 66– Sanji faced his family after he returned back to his Kingdom. Sanji kicked some manners in his little brother Yonji, he got involved in a brawl with Niji. Sanji also dueled with his father Vinsmoke Sanji and was left in despair.
Oven- Sanji had just a miniscule moment to save Capone’s wife from hands of Oven, and he didn’t disappointed. Because in a fraction of second he managed to land a fast attack and in that exact moment he saved her as well. Oven was stunned and was left furious.
Big Mom Pirates– Sanji fought various members of Big Mom Pirates in his Retrieval Arc. He fought Perospero, Oven, Daifuku and several other minions of the crew. Sanji also managed to keep other pirates at bay and safely retrieved Luffy back to Sunny.
Daifuku– Sanji fought with the genie of Daifuku for some time and managed to save Sunny from the attacks of Daifuku, who was damned straightened to sink the ship.
Wano Arc[]
Kyoshiro Family- With his Soba master, “Sangroo” gimmick on”, Sanji got furious when some ruffians belonging to Kyoshiro family interrupted his daily saga. They destroyed food and threatened his customers which made Sanji beat all of them, with Franky couldn’t be left out of a much-awaited fun. Making it in the list of Sanji all opponents faced and defeated.
X-Drake– Just moments ago, Sanji got finally reunited with Zoro as both haven’t laid eyes on each other since the Doflamingo Arc, and what a situation it is to be able to meet with each other. Both of them faced enemies at this crucial moment and managed to save O-Toko from enemy. Sanji confronted X-Drake, and played around with him for some good amount of time. He later on in his “Black Stealth” form also was involved in a short scuffle with Drake and Hawkins.
Page One- With Law, Franky and Usopp mesmerized by the Germa 66 “Stealth Black” suit, the self proclaimed Soba mask didn’t backed down from a fight, when a challenge was thrown at him. Sanji breaking his vow of never to wear the suite and belittling the Germa 66 name. Don in the suit for the sake of his friends and went toe-to-toe with Page one and devoured his opponent. His long lost dream of Invisibility was also realised as he attained some powerful new powers.
Currently Sanji alongside his comrades is in Onigashima castle and raiding the fort of Beat Pirates. But according to the last chapter his old weakness has again come back from the past to haunt him, as he got himself entrapped in the ploy of Black Maria.