Scor-Post Tennis ScorekeeperScor Post Tennis Scorekeeper A fun and attractive option for keeping score that uses tennis balls to display score in both games and sets won. Very durable and easily attaches to the net post. The Scor Post has an all metal support that attaches to the net post with quick release hose clamps for easy court change over no tools required!. Because to its simplicity and durability, the Scor Post is very popular with public and high traffic facilities.