Switch on with the K1 disc inside. Hold L1+L2+Triangle+Circle+Left on both controllers while the game loads.Continue to hold them until the demo begins. Instead of the normal intro, you will see the ending movie and game credits.
During a match pause. Then press L2, R1, L1, R1, L2, R1. Use the D-pad to move the flashing numbers up or down for each character so you can increase or decrease your chosen players strength from 1 to 9.
Choose Team Battle from the main menu screen. When the character select screen appears, press UP, UP, D, D, L, R, L, R, START. Master Ishii will appear to the right of the other fighters.