Here are some cheats and tips for the game Tennis.
001-DAD-3BA Neither player scores points–switch off to score
010-9CD-F76 1 game needed to win set
020-9CD-F76 2 games needed to win set
030-9CD-F76 3 games needed to win set
040-9CD-F76 4 games needed to win set
011-9AD-E66 1st point takes you to 40 points
021-9AD-E66 2nd point takes you to 40 points
000-99D-3BA + E00-74D-6E5 + E00-7ED-6E5 Neither player can win game