After playing through 15 holes of the last course in World mode, make sure to save it. You must be winning, of course. Then after you have finished in first place and waited through the credits and recieved your new ball, club and player. Simply reload the save game and play the last three holes (still staying in first place) and get an all new ball club and player.

Beat the game on difficulty level 1

Lead Player Low Score	9858066800000001
Lead Player High Score	9858066800000006
2nd Player Low Score	484A135600000001
2nd Player High Score	484A135600000006