Canada's Djustice Sears-Duru took the man-of-the-match award in Saturday's Test against Japan but his side were edged out 26-22 in Vancouver.
Former Glasgow winger, Taylor Paris, scored one of Canada's four tries.
New scrum-half Nemia Kentale helped Fiji to a 23-18 PNC Cup win over Tonga in Suva.
Italy lost out 30-24 to Argentina with Glasgow's Simone Favaro and Leonardo Sarto going over for tries.
Scotland went down to a heavy 44-0 defeat to England in their second match of the World Rugby U20 Championship in Manchester.