Sagat vs Ryuji Yamazaki
Uh-oh. The Emperor of Muay Thai takes on KOF's resident psychopath (well, one of them anyway. SNK's got quite a few).
All this began when Sagat was participating at a kickboxing tournament in Japan. The Yakuza had their cash set on their champion, and had asked Sagat to throw the match.
Instead, Sagat beat the Yakuza's man within an inch of his life. Sagat doesn't throw matches.
Furious for this insult, the Yakuza chieftains demand vengeance. This is where Mr. Yamazaki comes in. Ryuji is to head for Thailand and confront Sagat, take the prize money back, and kick Sagat's ass...not in that order, anyway.
Not one to kneel to empty threats, Sagat rises to the challenge (after using Dan Hibiki as a human punching bag).