In 1999, Osijek experienced an unforgettable moment in its history when they claimed the KPS Cup, solidifying their place on the Croatian football scene. This victory was not just another trophy in the club's cabinet; it was a symbol of hope and pride for the entire city. On their path to the title, the bijelo-plavi showcased incredible strength, determination, and team chemistry, leading them to the final against the then-powerful Hajduk.

The final took place on neutral ground, and the stadium was filled with fans from all over Croatia. Osijek was under immense pressure at that moment, but the team managed to keep their cool. In a decisive moment of the match, one of the young players, just starting his career, scored the crucial goal in the second half.

Osijek's victory over Hajduk was more than just a trophy; it was a triumph of spirit, unity, and passion that marked the entire season. This success not only strengthened the club but also laid the foundation for future generations of players and fans. The bijelo-plavi thus became a symbol of hope, and their story of success in the KPS Cup remains etched in the collective memory of all Osijek residents.

Today, as we reflect on that moment, we proudly look at all that NK Osijek has achieved since that magnificent success. This victory serves as an inspiration for new generations, reminding us that every challenge can be overcome with effort and unity. NK Osijek remains proud of its heritage, and the fans, known as the Heart of the Bijelo-plavi, continue to dream of new trophies and successes that lie ahead.