The club was thus known as NK Slaven Bilokalnik between 1992 and 1994, after which it was changed to its current name following a sponsorship agreement with the Koprivnica-based pharmaceutical company Belupo.

In their first Intertoto Cup appearance, they managed to reach the third round of the competition before being eliminated by Czech club Sigma Olomouc after losing 2–0 at home and getting a goalless draw on the road.

One year later, they repeated the success and were eliminated by renowned English club Aston Villa with a 3–2 aggregate defeat.

[2] Slaven Belupo heads the all-time Intertoto Cup table being the most successful team in history of this tournament.

[5] On 28 August 2008 Slaven Belupo qualified for the 2008–09 UEFA Cup by beating Aris of Greece 2–1 on aggregate, thereby achieving arguably the best result in the history of the club.

In 2016, Slaven defeated HNK Rijeka 4–2 on aggregate in the 2015–16 Croatian Football Cup semi-final, reaching the final for the second time in their history.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.