Only two more groups remain active in the U-17 World Cup, with Iran and Brazil clinching Groups C and D, respectively, on Friday.
[ MORE: Gulati meets the press ]
Guinea 1-3 Germany
Three different players, including Hamburg striker Jann-Fiete Arp, scored as Germany rebounded from a big loss to Iran.
Costa Rica 0-3 Iran
A pair of penalties four minutes apart helped Iran to a perfect 3-0 record and the top spot in the group.
Spain 2-0 North Korea
Niger 0-2 Brazil
Sixteen-year-old Lincoln and strike partner Brenner scored, one off a bounding free kick, as Brazil moves on. So does Niger, by virtue of its win over North Korea.