Men's In-House League Level 3.0 USTA Players need to have a basic understanding of doubles formation, scoring, and how to serve, rally, and volley. Players are required to get their own subs. Please do not wait until the last minute to find. Non-members are welcome to join this league. Please pay the non-member league fee at the front desk (checks payable to Park Terrace). No fee for non-members to join as a SUB player.