Germany moved to 4-0 in Pool F with a sweep of Finland, while Slovenia sits in second place at 3-1 after a sweep of Portugal.
Slovenia swept Estonia and Germany topped Portugal, setting a battle between Slovenia and the hosts for second place in the pool on Saturday.
Slovenia swept No. 14 France in the biggest upset of Pool F play so far, while homestanding Portugal came back in a five-set win over Finland.
No. 27 Portugal upset No. 14 France in five sets, No. 32 Estonia defeated No. 24 Finland in four and No. 3 Germany swept Slovenia.