Zambia beat Portugal at U-20 World Cup as SA lose to Japan
Zambia stunned twice-former World champions Portugal at the Under-20 World Cup in South Korea, winning their opening Group C match 2-1 in Jeju.
Also on Sunday, South Africa opened their World Cup bid with a 2-1 defeat to Japan in Group D in Suwon.
Zambia, who were crowned African champions on home soil earlier this year, frustrated Portugal with two impressive goals.
A 51st minute strike by Edward Chilufya gave Zambia the lead.
The Junior Chipolpolo added a second after 76 minutes through Fashion Sakala.
Portugal got a consolation goal late in the game when Helder struck just before the final whistle.
Zambia go top of Group C after Iran's 1-0 win over Costa Rica.
South Africa tasted defeat to Japan despite taking an early lead in their first Group D match.
Grant Margeman scored for the South Africans in the 7th minute to put Japan on the back foot.
Amajita had chances to build on that lead but failed to take them, allowing Japan back into the game.
The equaliser came from Koki Ogawa just after the break, with Ritsu Doan hitting a winner for Japan after 72 minutes.
Japan lead Group D following Uruguay's 1-0 win over Italy.
On Saturday, Guinea began their World Cup campaign with a 3-0 defeat to hosts South Korea.
Senegal, the fourth African nation competing at the U-20 World Cup, begin their Group F bid against Saudi Arabia in Incheon on Monday.