Lopas attended
Christchurch Boys' High School where he played rugby for the first XV. His performances for the school earned him selection for the New Zealand Schools side in 2019. After leaving school, he joined up with the Crusaders academy, representing their U18 side in 2018. After missing out on selection for the Crusaders U20 squad, he instead represented the New Zealand Barbarians U21 side in 2022. He plays his club rugby for Green Island in Dunedin. ==Professional career==