GameShark Codes

The following are known GameShark Codes for All Star Tennis ’99 on Sony Playstation (PS1).

• Player 1 Score Modifier
  801FEF9E 00??
• Press L1 for Easy Win
  D01B96FA 0400
  801FEF9E 0040

  Note: This code will set Player 1’s score to a full 40 points and Player 2’s score stays at 0.