Career
In 1997 Kopelani played rugby league in the U19 Super League (Australia) competition for the Penrith Panthers. He was selected for the Junior Kiwis before returning to New Zealand and converting to rugby union. Kopelani made his debut for Canterbury as a flanker in the National Provincial Championship in 1999.
He changed his position to hooker in 2001 and went on to play for Canterbury and Wellington in the Air New Zealand Cup and for the Crusaders and Hurricanes in the Super 14 Rugby competition.
He was also selected for the Junior All Blacks in 2007. In 2008 Kopelani signed with French club CS Bourgoin Jallieu in the Top 14 competition for three seasons.