Rogozine won his first international medal, gold, at the 2010 JGP in Courchevel, France. After winning his other JGP assignment, in Japan, he qualified for the JGP Final in Beijing, where he was awarded the bronze. In March 2011, he competed at the World Junior Championships in Gangneung, South Korea. Ranked third in the short program and second in the free, Rogozine finished first overall with a 3.15 point margin over the silver medallist, Keiji Tanaka of Japan. He was the first Canadian in 33 years to win the World Junior men's title.