Tennis courts at Joplin Athletic Complex are open from 7 a.m. to 11 p.m. for members. Non-members hours are Monday through Saturday 8 a.m. to 9 p.m. and Sunday 12 to 5 p.m. Non-members can stay until 11 p.m. as long as they are on the courts by the time the courts are regularly scheduled to close.Tennis memberships are offered year round. Memberships for a family of four are $150. Individuals 18 and over pay $75 and individuals 17 and under pay $37.50. Senior rates, 55 and over, pay $50.The t…