Tennis sizing guide.

Racket

Ages 4-6: 19-21 inch.

Ages 7-8: 21-23 inch.

Ages 9-10: 23-25 inch.

Ages 11-12: 25-26 inch.

Ages 13+: 27 inch (full size).

Length test: rest the racket head on the ground. The grip should sit at or just below the kid's wrist.

Shoes

Court soles with a herringbone tread. Running shoes do not work. They damage the court and slide.

Hard court vs clay court soles differ. Most rec play is hard court.

Balls

Red dot foam or felt: ages 4-6.

Orange dot: ages 7-9.

Green dot: ages 10-11.

Yellow regular: ages 12+.

Stringing

A factory-strung racket loses tension in 3-6 months. Re-string at the beginning of each playing season.