European champion Spain knocked out South American champion Brazil, 4-2, in overtime, while the Czech Republic and Austria both moved into the final eight.
Spain got overtime goals from Alberto Bueno and Adrian Lopez to defeat Brazil. The Czech Republic rallied from two goals down in the last quarter of an hour to tie Japan, 2-2, and eventually prevail in a shootout.
Erwin Hoffer's goal with nine minutes left gave Austria a 2-1 win over Gambia.
Czech Rep. 2 (Kudela pen. 74, Mares pen. 77) Japan 2 (Makino 22, Morishima pen. 47).
(Czech Rep. wins 4-3 on penalties.)
Austria 2 (Proedl 45, Hoffer 81) Gambia 1 (Gomez 69).
Spain 4 (Pique 43, Javi Garcia 84, Bueno 102, Adrian Lopez 120) Brazil 2 (Leandro Lima 39, Alexandre Pato 41).