The following are known Action Replay Codes for Davis Cup Tennis 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)
7a948739
4e525e20
4945876c
ee450d9b

1p begins at 40
f65cd5b6
79192759

2p always score 0
192a16f1
9c697c5c

AR button Slo-mo
dbba3a89
4cb74b94