The supporter group of Kasımpaşa SK, known as Kasımpaşalılar, creates an incredible atmosphere on derby days as one of the teams situated in the heart of Istanbul. The rivalry with Beşiktaş transcends a mere football match, transforming into a clash of two distinct cultures. Kasımpaşalılar enhance this competition with their unique traditions and rituals.

Before each derby, Kasımpaşalılar organize various events around the stadium to rally for their team's victory. Supporters gather around the stadium, singing chants and waving flags to motivate themselves and their team. This community spirit amplifies the energy felt at the stadium that hosts Kasımpaşa.

On derby days, a 'cortege' march has become a tradition for Kasımpaşalılar. Groups adorned with flags in the team's colors march together towards the stadium. This march is not just a beginning; it’s a moment when supporters unite their strength. The enthusiasm of the fans starts to fill the stadium even before the match kicks off.

When match day arrives, Kasımpaşalılar fill the stadium, completing their preparations to support their team. Hundreds of Kasımpaşalı fans, dressed in blue and white, color the stadium and show their support through vibrant chants. In derbies against Beşiktaş, this atmosphere intensifies; every goal and every opportunity heightens the excitement of the supporters.

One of the most striking features of Kasımpaşa supporters is the magnificent choreographies they create during the match. These displays, performed simultaneously by fans in specific sections of the stadium, not only provide a visual feast but also serve as a significant morale booster for the team. Such events create unforgettable moments, not only for Kasımpaşalılar but also for other football enthusiasts in Istanbul.

In conclusion, the derby culture of Kasımpaşa SK transforms the experience into not just a football match but a social event as well. The rituals and traditions of Kasımpaşalılar add a unique flavor to Istanbul's football atmosphere, showcasing the united strength of this passionate community.