Sanada is depicted as a tall and muscular young man with a strong and imposing presence. He has short black hair, often slicked back, and sharp, focused eyes. Sanada typically wears the Rikkai Dai tennis team uniform, consisting of a black tracksuit with a red stripe and the team's emblem on it. Sanada is admired for his strong sense of responsibility and dedication. He upholds a strict code of discipline and is often of a model student-athlete. He's calm, loyal, caring and serious.