Complete these tasks in story mode:

* Beat Magic: Demolition Match
* Beat Crack: Cage Match
* Beat Sticky Fingaz: Inferno Match
* Beat Chiang, Masa and Santos in Dragon House: Ring Out Match
* Beat Trejo: Subway Match
* Beat Crow: Window Match

Hint: Fighting Styles
Kick boxing is probably a good pick for beginners, followed by Streetfighting then either Wrestling or Submission as a third choice. Martial Arts sounds neat, but is fairly hard to KO people without a blazing grapple or an environmental-based throw (like head into a TV set).