Doubles and singles are not the same sport played on different days. They demand different footwork, different shot selection, and different paddles. A 16mm widebody that wins your Tuesday-night doubles league can feel sluggish the moment you step onto a singles court, and the lightweight elongated frame that lets you reach the sideline in singles will eat your hands alive at the kitchen line. In this guide we break down the real format differences, the paddle traits that match each one, the ARTI models that fit, and how to decide if you only want to own one paddle.