Throughout the series, Yoichi Isagi's playing style evolves from being solely focused on individual skills and goals to becoming more team-oriented and strategic. Initially, he relies on his speed and dribbling abilities to create scoring opportunities for himself. However, as the series progresses, he learns the importance of teamwork, communication, and understanding his teammates' strengths and weaknesses. Isagi's playing style shifts towards being a playmaker, focusing on setting up his teammates for success rather than scoring all the goals himself. This evolution in his approach to the game reflects his growth as a player and a leader on the field.