Japan and Nigeria became the first teams to clinch berths in the round of 16 of the Under-20 World Cup when they both won their second straight Group F games with wins over Costa Rica (1-0) and Scotland (2-0 on a pair of goals by captain Ezekiel Bala), respectively, on Wednesday in Victoria, B.C.

European champion Spain survived a scare to beat Zambia, 2-1, in Group B action. In other game in Burnaby, Edison Cavani of Italian club Palermo scored to give Uruguay a 1-0 win over Jordan.

UNDER-20 WORLD CUP RESULTS:
Group B
Uruguay 1 (Cavani 40) Jordan 0.
Spain 2 (Mario Sanchez 30, Mata 40) Zambia 1 (Njobvu 79).
Group F
Japan 1 (Tanaka 67) Costa Rica 0.
Nigeria 2 (Bala 49, 78) Scotland 0.