The following are known Action Replay Codes for Droopy’s Tennis Open on Nintendo Game Boy Advance (GBA).

These are Action Replay Version 3 (V3) Codes.

The codes should work with the region specified but may work for other regions as well.

(M)
16716517
6ce99a0a
31345ed9
51e937e3

Inf Time
744f3961
fa2954e3

AR but. for 40/00
71fb1e42
3125894e
a05a144c
078b0074
e04121fb
ef63681f
c94706e8
f5feb0a8