Nintendo Ring Tournaments
 
 Select the "Special Games" option at the main menu, then choose the
 "Ring Tournament" selection. Enter one of the following codes to play
 in the corresponding tournament for the indicated Cup. Note: Another
 code will be displayed after completing the tournament. The new code
 is not actually a code for the game, but is for ranking you with
 other players at Nintendo's Mario Tennis web site.
 
 Mario Cup
 
 Enter "A3W5KQA3C" as a code at the code entry screen to play a
 tournament for the Mario Cup.
 
 Wario Cup
 
 Enter "UOUFMPUOM" as a code at the code entry screen to play a
 tournament for the Wario Cup. -From: mmortal03
 
 Luigi Cup
 
 Enter "M1C2YQM1W" as a code at the code entry screen to play a
 tournament for the Luigi Cup. -From: mmortal03
 
 Waluigi Cup
 
 Enter "LA98JRLAR" as a code at the code entry screen to play a
 tournament for the Waluigi Cup. -From: mmortal03
 
 Donkey Kong Cup
 
 Enter "MM55MQMMJ" as a code at the code entry screen to play a
 tournament for the Donkey Kong Cup. -From: mmortal03
 
 Peach Cup
 
 Enter "OF9XFQOFR" as a code at the code entry screen to play a
 tournament for the Peach Cup. -From: mmortal03
 
 Bowser Cup
 
 Enter "N24K8QN2P" as a code at the code entry screen to play a
 tournament for the Bowser Cup. -From: mmortal03
 
 Blockbuster Cup
 
 Enter "ARM6JQARU" as a code at the code entry screen to play a
 tournament for the Blockbuster Cup.
 
 Nintendo Power Cup
 
 Enter "J6M9PQJ6U" as a code at the code entry screen to play a
 tournament for the Nintendo Power Cup.
 
 IGN64 Cup
 
 Enter "V2UFMPUZM" as a code at the code entry screen to play a
 tournament for the IGN64 Cup.
 
 MarioTennis.com Cup
 
 Enter "48HWOR482" as a code at the code entry screen to play a
 tournament for the MarioTennis.com Cup. -From: mmortal03
 
 Left-handed character
 
 At the character selection screen, hold L while selecting a character
 to make them left-handed.
 
 Handicap
 
 Win the Star Cup with a character. Then at the character selection
 screen, hold R while selecting that same character to make them have
 handicaps and be more powerful. If done correctly, a yellow star will
 appear in the bottom right of the screen (for player one) or bottom
 left of the screen (for player two). Press L + R to have a
 left-handed player that is also a star character. 
 
 Play as Shy Guy
 
 Win the Star Cup/Singles Tournament.
 
 Play as Donkey Kong Jr.
 
 Win the Star Cup/Doubles Tournament.
 
 Donkey Kong court
 
 Win the Mushroom Cup/Singles Tournament with Donkey Kong.
 
 Yoshi/Baby Mario court
 
 Win the Mushroom Cup/Singles Tournament with Yoshi.
 
 Birdo/Yoshi court
 
 Win the Star Cup/Doubles Tournament with Birdo.
 
 Mario/Luigi court
 
 Win the Mushroom Cup/Singles Tournament with Mario.
 
 Mario Brothers court 2
 
 Win all the Doubles Tournament Cups with Mario. Note: This is another
 Mario Brothers Court, but not the alternate way to get the previous
 one. 
 
 Mario/Luigi Castle court
 
 Win the Star Cup Doubles and Singles Tournament with Mario.
 
 Wario Brothers court
 
 Win all the Doubles Tournament Cups with Wario.
 
 Piranha Plant court
 
 Note: This court only works in Piranha Plant Challenge. Complete any
 court (perfect, all 50 balls) in the Piranha Plant Challenge with any
 character. 
 
 Special Cups
 
 Win all the Tournament Cups with all the characters (including Shy
 Guy and Donkey Kong Jr.) to unlock the Special Cups, which are much
 harder than the previous ones. Press R while selecting a character at
 the character selection screen to access the Special Tournament in
 the menu. The three Special Cups in order are Rainbow Cup, Moonlight
 Cup, and Planet Cup. Once you win a Cup, you will move onto the next
 one. 
 
 Bonus difficulty level
 
 Win the Planet Cup with all sixteen players to enable the max
 difficulty setting in exhibition matches.
 
 See the same replay again
 
 Press B while in a replay to see the replay again at different
 angles. This can be done at any point of the replay for as many times
 as desired. 
 
 Restart replay during demo
 
 Wait at the title screen until the demo begins. Press B to restart
 the replay. Any other button will end the demo.
 
 Better chance of winning
 
 When playing against the CPU, if you win a game or a set in the
 match, save the game, then continue the game. In case you lose, you
 can continue from the saved game and start with the advantage.
 
  Game Shark Codez:
 
 Note: You must have a 3.0 or higher version of the Game Shark to use
 these codes.
 
       
  Enable Code (Must Be On)                          
  F1300290 3C01
  F1300292 A005
  F1300298 03E0
  F130029A 0008
  F130029C AC20
  F130029E 86A0
       
  Player 1 Codes                                    
       
  Score Modifier                                    
  8015344A 00??
       
  Start Set With Score Modifier                     
  D015344A 0000
  8015344A 00??
       
  Games Won Modifier                                
  8015344D 00??
       
  Sets Won Modifier                                 
  8015344F 00??
       
  Aces Modifier                                     
  81153454 00??
       
  Double Faults Modifier                            
  8115345C 00??
       
  Return Winners Modifier                           
  81153464 00??
       
  Smash Winners Modifier                            
  8115346C 00??
       
  Player 2 Codes                                    
       
  Score Modifier                                    
  8015344B 00??
       
  Start Set With Score Modifier                     
  D015344B 0000
  8015344B 00??
       
  Games Won Modifier                                
  8015344E 00??
       
  Sets Won Modifier                                 
  80153450 00??
       
  Aces Modifier                                     
  81153456 00??
       
  Double Faults Modifier                            
  8115345E 00??
       
  Return Winners Modifier                           
  81153466 00??
       
  Smash Winners Modifier                            
  8115346E 00??
       
  Quantity Digits to Accompany Score Modifier Codes 
       
  00 - 0                                            
  01 - 15                                           
  02 - 30                                           
  03 - 40