The following are known Action Replay Codes for Hard Hitter Tennis on Sony Playstation 2 (PS2). These codes were also known as GameShark Codes and in most cases will work on both devices.

Device Compatibility: Action Replay & GameShark (Version 1 & 2)

Master Code – Must Be On
0E3C7DF2 1853E59E
EE8BDB8E BCD393EA

Shooting Codes

Max Score
CEA5C792 BCA99A82

More Balls: Press Select
0EAD8CF8 BCA99A81
CEA5C79E BCA99B8D

Alphabet Codes

Max Score
CEA5ECEA BCA99A82

More Balls: Press Select
0EAD8CF8 BCA99A81
CEA5EFF6 BCA99BA3

P1 0 Points
CEA73796 BCA99B83
CEA7379E BCA99B83

P1 7 Points
CEA73796 BCA99B8A
CEA7379E BCA99B8A

P2 0 Points
CEA73792 BCA99B83
CEA7379A BCA99B83

P2 7 Points
CEA73792 BCA99B8A
CEA7379A BCA99B8A