- Star characters
Win the Champions Cup of the World Open to unlock that character as a star, with enhanced abilities.
- Bonus characters
Successfully complete the indicated task to unlock the corresponding character:
Baby Mario: Successfully complete Super Mario Tennis Special Game 1-3.
Baby Peach: Successfully complete the Pro Rings level in the Ring Shot Special Game.
Dry Bowser: Successfully complete the Inksplosion level in the Ink Showdown Special Game.
Luma: Successfully complete the Superstar level in the Galaxy Rally Special Game.
- Bonus costumes
Successfully complete the indicated task to unlock the corresponding costume:
Bee Mario: Turn eight characters into star characters.
Birdo: Defeat an Ace opponent in a singles Exhibition match.
Boo: Purchase 100 different items in the item shop.
Bowser: Get 50 Victory Medals from Online Multiplayer Open Matches.
Bowser Jr: Get 20 Victory Medals from Online Multiplayer Open Matches.
Cloud Mario: Turn 10 characters into star characters.
Daisy: Collect 700 ring points in Ring Shot Callenge with another player.
Diddy Kong: Meet 20 Mii characters via StreetPass.
Donkey Kong: Meet 50 Mii characters via StreetPass.
Dry Bowser: Get 100 Victory Medals from Online Multiplayer Open Matches.
Fire Mario: Turn two characters into star characters.
Goomba: Add 100 items to the item shop shelves.
Koopa Troopa: Win 10 consecutive StreetPass matches.
Luigi: Win the Star Final Cup Tournament in Doubles.
Luma: Collect 1,500 coins in the Galaxy Rally Challenge Special Game.
Mario: Win the Star Final Cup Tournament in Singles.
Peach: Collect 800 ring points in Ring Shot Callenge.
Petey Piranha: Get 50 returns in the Ink Showdown Challenge.
Propeller Mario: Turn five characters into star characters.
Shy Guy: Win 20 consecutive StreetPass matches.
Tanooki Mario: Turn 15 characters into star characters.
Toad: Collect a total of 50,000 coins.
Waluigi: Collect 800 Coins in Super Mario Tennis Level 2-4.
Wario: Collect 800 Coins in Super Mario Tennis Level 1-4.
Wiggler: Get a total of 5,000 points in Online Multiplayer Open matches.
Yoshi: Scan the QR Code from the official Nintendo website.
- Bonus courts
Successfully complete the indicated task to unlock the corresponding court:
Galaxy Arena Crystal Court: Win the Final Cup in the Star Open tournaments.
Galaxy Arena Morph Court: Win the Final Cup in the Star Open tournaments.
Successfully complete the indicated task to unlock the corresponding tournament:
1-Up Mushroom Cup: Win all four cups of the World Open.
Banana Cup: Win the Flower Cup tournament.
Champions Cup: Win the Banana Cup tournament.
Final Cup: Win the Shell Cup tournament.
Flower Cup: Win the Mushroom Cup tournament.
Ice Flower Cup: Win the 1-Up Mushroom Cup tournament.
Shell Cup: Win the Ice Flower Cup tournament.
- Ace mode
Win the Final Cup tournament to unlock the Ace difficulty.
- Pro mode
Win the Champions Cup tournament to unlock the Pro difficulty.
Read more: http://www.cheatcc.com/3ds/mariotennisopencheatscodes.html#.T8rT17B1Dp8#ixzz1whC66WFx
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