Renji Yanagi

A brilliant strategist on the tennis court, this player utilizes advanced military tactics to outmaneuver opponents during matches. Unlike his childhood rival and friend, Inui, who relies on external databases, he possesses an incredible memory capable of storing all essential match data mentally. By implementing sophisticated techniques like Data Tennis, Kamaitachi, and Utsusemi, he transforms every game into a calculated battle of wits, using precise information to dominate his competition through sheer analytical prowess.