RK Zagreb 2

In addition to the two Zagreb teams, 70 other teams from 12 different countries played in Boys 13. They were divided into 12 different groups, whereof RK Zagreb 2 could be found in Group 9 together with IF Stjernen Odense, Baekkelaget SK Yellow, HK Vaggeryd, Torslanda HK 1 and Ljunghusens HK 2. RK Zagreb 2 made it to A-Play-off after reaching 1:st place in Group 9. Once in the playoff they won every match inluding the Final against RK Dinamo Zagreb, which they won with 23-13. Thereby RK Zagreb 2 won the entire A-Play-off in Boys 13 during Partille Cup 2023.