Gateway Members Application The Gateway membership program has been established to insure the continued building of the St. Louis Tennis Community. The nominal annual fee ($10 for members of Gateway Clubs; $20 for all others) covers Spring & Summer league play and all Players Socials including the U.S. Open Party. Additionally, Gateway members are eligible for special Association discount offers as well as the planned monthly indoor program. Return completed registration form along with check in the appropriate amount to: Gateway Tennis Association P.O. Box 1701 Manchester, MO 63011