to to a location and save ur game. go to another location and save ur game. do this about 3-5 times. go back to the Challenge Cup. a new one will begin.
Heads on Coin Toss
press the 'A' button 2 times before the coin spins. it will land on heads.
Tails on Opponent's Coin Toss
press and hold 'up' before an opponent's coin shows up. they will most likely get tails.
See Your Deck
use a Computer Search or Pokéball to search ur deck. afterwards, turn off the power. u'll be back at the duel except u didn't use that card yet.
Get 6 Booster Packs From the Beginning
speak to the Rock Club Master. speak to the Psychic Club Master. speak to the Fire Club Master. speak to the Fighting Club Master. speak to the Science Club Master. check ur mail. u should receive 6 booster packs.
Get a Different Booster Pack Every Time
save ur game before u open a mail. when u open it and dont like the cards, turn off ur game and turn it back on. check that mail again to find different cards.
Free Booster Packs
go on a computer and select the item thats followed by numbers. it will say "manuel" on an english version. if u select it, u'll get a free booster pack.