Shun Izuki uses his Eagle Eye to counter Kotarō Hayama’s lightning-fast "five-finger dribble". By predicting Hayama's movements and coordinating with Kuroko and Kagami, Izuki successfully disrupts Rakuzan's offensive rhythm.

The episode is pivotal because it shifts the focus from the "miracles" to Seirin's secondary players. It demonstrates that for Seirin to win, the entire team—not just Kagami and Kuroko—must overcome the individual superiority of Rakuzan's Uncrowned Kings. Kuroko's Basketball ‒ Episode 21 - Anime News Network

Remains in the Zone to maintain a wide defensive range, acting as Seirin's primary wall against Rakuzan.

Successfully counters Hayama's high-speed dribbling using strategic planning and Eagle Eye.