57e47233_and_Secrets_for_3DS___GameFAQs__How_to_Unlock
[Unlockable] Three for the Road [How to Unlock] 
In the pursuit of strength one must have a goal! Win 3 3D matches in a row against another player.
Super Street Fighter IV: 3D Edition Cheats, Codes, and Secrets for 3DS - GameFAQs