In addition to Sunnydale, 113 other teams from 20 different countries played in Boys 15. They were divided into 19 different groups, whereof Sunnydale could be found in Group 15 together with RP IF 2, Aztecas Mexico, Herning FH 2, Björndal IF and Redbergslids IK. Sunnydale continued to B-Play-off after reaching 6:th place in Group 15. In the playoff they made it to 1/32 Final, but lost it against IFK Nyköping with 8-21. In the Final, IFK Kristianstad 1 won over IFK Nyköping and became the winner of B-Play-off in Boys 15. Sunnydale also participated in Boys 14 during Partille Cup 2018. They reached the 1/32 Final in B14 B-Play-off, but lost it against Torslanda HK 2 with 0-10.