CheatCodes.com has all the official Tennis 2K2 Dreamcast cheats to unlock everything. If you know of any that we don't have, please let us know.
All published and official codes as of Tuesday May 21, 2013 for Tennis 2K2 are shown below.
Win all matches without using any continues. If using a male character, you will face King. If using a female character, you will face Queen. Defeat them to unlock them as playable characters. When you unlock them they will be at Level 1. Each time you defeat them after unlocking them their level will go up
At the player selection screen, select a player and press L or R.
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