For men and women 18 years of age and older. Must be a USTA member and have a current computer or self-rating. NTRP levels include 2.5, 3.0, 3.5, 4.0, 4.5 and 5.0. Team match format consists of two singles matches and three doubles matches, except 2.5 and 5.0 division, which plays one singles match and two doubles matches.