The Ultra Street Fighter IV leagues are now open for registration on VSLeague.
This is the entry that carried the competitive scene for close to a decade, and its community did not scatter when the fifth instalment arrived. Many still play it out of preference for its gameplay: they now have a permanent championship for it.
Register in solo, 2V2 or 4V4. Leagues are open on PS3, PS4, Xbox 360 and PC.