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You must have Gameshark Pro version 3.0 or higher to use these Mario Tennis Gameshark cheats.
- Enable Code Must Be On!
- F1300290 3C01
- F1300292 A005
- F1300298 03E0
- F130029A 0008
- F130029C AC20
- F130029E 86A0
- All Tennis Courts Cheat
- Created by Kamek
- 810653CD FFFF
- Access D.K. Jr. Cheat
- Created by Kamek
- 800653C8 0001
- Access Shy Guy Cheat
- Created by Kamek
- 800653C8 0002
- Access D.K. Jr. And Shy Guy Cheat
- Created by Kamek
- 800653C8 0003
- All Characters Have Star Option Cheat
- Created by Kamek
- 810653CA FFFF
- Always Have Nice Serve Cheat
- Note: Hold R while opponent is serving to stop opponent from getting a nice serve.
- Created by Captain Chronic
- 80153533 0001
- D0066985 0010
- 80153533 0000
- Infinite Bounces Cheat
- Created by Captain Chronic
- 8015B16B 0000
- Instant Win Piranha Challenge Cheat
- 8115137E 0032
- 81151382 0032
- Player 1 Needs 1 Point To Win Cheat
- D015344A 0000
- 8015344A 0003
- Player 1 Never Scores Code
- D015344A 0001
- 8015344A 0003
- Player 2 Needs 1 Point To Win Code
- D015344B 0000
- 8015344B 0003
- Player 2 Never Scores Cheat
- D015344B 0001
- 8015344B 0000
- Press Down C For Easy Win Ring Shot Game
- D0066985 0004
- 8015350B 0082
- Press Down C For Easy Win Ring Shot Time, Balls, Points
- D0066985 0004
- 80153527 0082
- D0066985 0004
- 80153523 0082
- Player 1 Character Model Cheats
- All created by Kamek
- Player 1 Is A Little Boy In A Ballcap
- 80153537 0010
- Player 1 Is A Short Girl With Pigtails
- 80153537 0011
- Player 1 Is A Buff Athlete
- 80153537 0012
- Player 1 Is A Blond Girl In Red Dress
- 80153537 0013
- Player 1 Is A Question Mark
- 80153537 0014
- Player 2 Character Model Cheats
- All created by Mintyfresh
- Player 2 Is A Little Boy In A Ballcap
- 8015353B 0010
- Player 2 Is A Short Girl With Pigtails
- 8015353B 0011
- Player 2 Is A Buff Athlete
- 8015353B 0012
- Player 2 Is A Blond Girl In Red Dress
- 8015353B 0013
- Player 2 Is A Question Mark
- 8015353B 0014
- Singles & Doubles Tournament Cups Cleared Cheats
- All Created by Kamek
- Yoshi All Singles & Doubles Cups Cleared Cheat
- 80065278 00EE
- Peach All Singles & Doubles Cups Cleared Cheat
- 80065279 00EE
- Mario All Singles & Doubles Cups Cleared Cheat
- 8006527A 00EE
- Bowser All Singles & Doubles Cups Cleared Cheat
- 8006527B 00EE
- Boo All Singles & Doubles Cups Cleared Cheat
- 8006527C 00EE
- Donkey Kong All Singles & Doubles Cups Cleared Cheat
- 8006527D 00EE
- Baby Mario All Singles & Doubles Cups Cleared Cheat
- 8006527E 00EE
- Toad All Singles & Doubles Cups Cleared Cheat
- 8006527F 00EE
- Waluigi All Singles & Doubles Cups Cleared Cheat
- 80065280 00EE
- Wario All Singles & Doubles Cups Cleared Cheat
- 80065281 00EE
- Luigi All Singles & Doubles Cups Cleared Cheat
- 80065282 00EE
- Daisy All Singles & Doubles Cups Cleared Cheat
- 80065283 00EE
- Birdo All Singles & Doubles Cups Cleared Cheat
- 80065284 00EE
- Shy Guy All Singles & Doubles Cups Cleared Cheat
- 80065285 00EE
- DK Jr. All Singles & Doubles Cups Cleared Cheat
- 80065286 00EE
- Paratroopa All Singles & Doubles Cups Cleared Cheat
- 80065287 00EE