Rølvåg represented Norway as a skip at the biennal European Youth Olympic Festival in 2009, winning bronze. In 2011 he was a part of the team that secured a bronze medal at the 2011 World Junior Curling Championships. Rølvåg has represented Norway at the European Curling Championships as an alternate on two occasions, in the 2014 European Curling Championships and the 2015 European Curling Championships. In 2015 he won the gold medal at the 2015 Winter Universiade and won the inaugural 2015 World Mixed Curling Championship.