Guillermo Cañas defeated Filippo Volandri 7–5, 6–3 to win the singles title at the 2004 Croatia Open.
Carlos Moyá was the defending champion, but lost in the semifinals to Volandri.
This tournament marked the ATP Tour debut of future 24-time major champion and world No. 1 Novak Djokovic. He lost in the first round to Volandri after qualifying for the main draw. Seeds
Draw
Finals
Top half
Bottom half
References
External links Main draw Qualifying draw