Never lose!
If you can never win the world cup or even never win a match then go to the game settings and switch the game difficulty lvl to ameteur.
But if you still keep losing the save b4 every match then if you lose you can load the game to where you last saved it.
Hope this helps.
Plz r8.
We have more cheats and tips for this game here, FIFA 06 World Cup cheats
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