Continue (Japan-only):

During Stroke Play, during the game selection confirmation ("Yes" or "No"), hold A+B on Controller 2 to start from the last-played match.

 

Second Chance at a Bad Shot:

The following is a secret way to get a second chance at any bad shot you might make during the game. Simply press the RESET button before the game moves on to the next shot. Now choose the same options you previously used and continue on with the game.

 

See The Credits:

At the title screen, hold Right + B + Select for 10 seconds.