Green Ball Green Ball Coach and Play is an extension of Orange ball, involves more challenging drills, and creates greater consistency and tactical exploration. Fundamental and perception motor skills have developed to a point where the child is now working on better technique, quicker movement, anticipation skills and hitting the tennis ball with greater variety. All classes are done in a rally environment with kids using several regressions and progressions to improve their game. • Players aged 9+ years • Recommended racquet size: 25–27 inches. These racquets can be purchased at the pro shop at the DTC, Stringlab. • $22.00 for DTC members & $24 for non-members per session • Class duration 75 minutes. • Maximum Coach Ratio: 1:6