Books: How to Win at Super NES Games - Super NES Games Secrets
Conquering SNES Games
Select practice mode and advance to hole 19. There is no pin
displayed on the screen, but you there is a secret hole. Work
your way to the out-of-bounds top portion of the course and
aim for the point about the top left middle side.
If you want to score a hole-in-one, enter one of the codes.
Enter your name as METAL*PLAY and your clubs will hit the ball very far.