Decathlon UK on X: "@plebdeb Hi Debbie ! Your tennis racquet grip size is then determined by the length between the tip of your ring finger and the bottom lateral palm crease.
Grip Sizing
Tennis Racket Grip Size | How To Measure (with Chart)
How To Choose The Correct Tennis Racket Grip Size | Tennis Buying Guides | Buying Guides | Squash Rackets, Tennis Rackets & Equipment - PDHSports.com