ESL has announced their summer cups for Unreal Tournament 2004. They have both a duel cup as well as a 2on2 TAM cup. The signups are open until the 3th of August, while the tournaments start at the 10th of August.
Maps for the 1on1 cup are the following: DM-1on1-Aerowalk, DM-1on1-Backspace-FE, DM-1on1-Lea_ESWC2k5-SE, DM-1on1-Reverse, DM-1on1-Roughinery-FE, DM-Campgrounds2004-G1E, DM-DE-Ironic-FE, DM-Rankin-FE.
Maps for the TAM cup are the following: DM-1on1-Roughinery-FE, DM-Akbal2k4-SE, DM-Campgrounds-G1E, DM-DE-Ironic-FE, DM-Grendelkeep-RE, DM-OSR-Cheops, DM-OSR-Tangent, DM-Pipeworks][, DM-Rankin-FE, DM-Under_LE2
You can find details and the signup details here.