Press Turbo (X), Shoot (A), and Pass (B) to change the icons on the versus screen. The numbers in the following list indicate the number of times each button is pressed. After the icons have been changed, press the D-pad in the indicated direction to enable the code. The name of the code and a sound will confirm correct code entry. For example, to enter 1-2-3 Left, press Turbo, Shoot(2), Pass(3), Left.
Press B, A, Y, X, L, or R while your opponent is at the free throw line in a regular game or at the 3-point line in a game of 21.