The following are known Action Replay Codes for Virtua Fighter 3tb on SEGA Dreamcast (Dreamcast). These codes were also known as GameShark Codes and in most cases will work on both devices.

Device Compatibility: Action Replay & GameShark

P1 win 1 fight to win match
1F1C5AF1
00000003

Player 1 can not win a match
1F1C5AF1
00000000

P2 win 1 fight to win match
36CD6827
00000003

Player 2 can not win a match
36CD6827
00000000

Infinite Time
82D38160
00000746