In the 2004/2005 season, Slaven Belupo was on a quest for new successes. Under the guidance of coach Ivica Kulešević, the team built a strong and competitive squad, with key players like Ivan Kovačić and Dino Kovačić playing significant roles in achieving the dream of Europe. This season flew by like the wind, with every point being invaluable in the battle for European qualification.

One of the most significant matches that season was against NK Osijek, where Slaven Belupo achieved a victory that brought them one step closer to European qualification. The crowd at the stadium in Koprivnica was incredible, and the atmosphere in the stands remained etched in the collective memory of the fans. By the end of the season, Slaven Belupo finished in a high fourth place in the Prva HNL, which meant they qualified for the UEFA Cup for the first time.

This historic moment was more than just a qualification; it was a testament to the effort, dedication, and development of the club. In the following months, Slaven Belupo had the opportunity to prove themselves on the European stage, and matches against European teams became a topic of discussion among fans. The victory over NK Osijek was just the beginning, and every subsequent step was a challenge that the club embraced with open arms.

As preparations for the European season approached, all of Koprivnica was living in anticipation. Fans dreamed of great nights at the stadium, and players knew they represented not just the club, but the entire city. Although they were aware that they were on the way to a European challenge, the heart and soul of Slaven Belupo were always focused on success. This historic moment in 2005 left an indelible mark in the hearts of all fans and secured Slaven Belupo's place in the history of Croatian football.