IL Ros was one of 87 clubs from Norway that had teams playing during Partille Cup 2018. They participated with four teams in Boys 15 and Girls 15 respectively. Two teams played until 1/8 Final in B-Play-off; Girls 15 1 lost against Knarvik IL by 8-11 and Girls 15 2 lost against RP IF 1 by 9-16.
In addition to this, IL Ros have participated in Partille Cup before. During Partille Cup 2017, Ros had three teams playing in Boys 14 and Girls 14 respectively. The team in Boys 14 made it to the the 1/16 Final in A-Play-off, but lost it against Frogner IL 2 by 9-14.