RK Zagreb was one of 8 clubs from Croatia that had teams playing during Partille Cup 2019. They participated with two teams in Boys 11 and Boys 13 respectively. The team in Boys 11 made it to the the Final in A-Play-off, but lost it against Fortuna by 7-8.
In addition to this, RK Zagreb have participated in Partille Cup before. During Partille Cup 2018, Zagreb had 5 teams playing in Boys 11, Boys 12, Boys 14 and Boys 15 respectively. Three teams played until Final in A-Play-off; Boys 15 won over Skanderborg HB 1 by 15-13, Boys 11 lost against Slavonia HT by 7-8 and Boys 12 2 lost against RK Zagreb 1 by 14-23.
Zagreb comes from ZAGREB which lies approximately 1400 km from Göteborg, where Partille Cup takes place. The area around ZAGREB does also provide five additional clubs participating during Partille Cup 2019 (RK Tresnjevka, RS Zagreb, RK Rugvica, Rugvica, ZRK and RK Rudar).