TENNIS INSTRUCTION SYSTEM

摘要

TENNIS INSTRUCTION SYSTEM A tennis instruction system comprises reference means for correlating a player's position on a tennis court with a mode of play selected from a predetermined number of alternative playing modes to enable selection of a particular mode of play from the alternative playing modes. The instruction system further includes a zone referencing system for dividing a tennis court into five distinct playing zones and a tennis court demarcation means (30) is provided for demarcating a tennis court into the playing zones.