KT Academy’s Guide to Hot Shots Tennis

Ball TypeAge Range (Years)Ball CompressionRecommended Racquet SizeClass Cost ($)Class LengthCoach : player ratio
Blue Ball3 – 525%19 – 21 inch15.0030 minutes1 : 4
Red Ball5 – 825%21 – 23 inch18.5045 minutes1 : 6
Orange Ball8 – 1050%23 – 25 inch18.5045 minutes1 : 6
Green Ball9+75%25 – 27 inch18.50 or 22.5045 minutes or 1 hour1 : 6