The Big Bad will undo all his evil if you beat him at his favorite sport
Do We Have This? Everything seems lost for our hero. The villain has outsmarted him at every turn and made every effort to make him as miserable as possible. There's only one way to make things right: a game. "If I win," our hero says, "You will return everything you stole, apologize to everyone you bullied, and use your money and influence for good." The villain will, of course, not be able to resist one last chance to humiliate the hero, and will agree. A common Sports Story trope. Related to Absurdly High Stakes Game, Big Game, and Go Karting With Bowser. See Chess With Death for one common variant.