The 2013–2014 season was his first as a member of École Excellence Rosemère, a club led by Yvan Desjardins in Rosemère, Quebec. After winning the national novice men's title at the 2014 Canadian Championships, Phan moved up to the junior level and placed fifth at the 2015 Canadian Championships. Later in 2015, he struggled due to a growth spurt of five inches. He became the national junior men's champion at the 2016 Canadian Championships.