The win gave the host country a 3-0 record after rolling to a 12-1 triumph over Japan on Tuesday and 21-0 romp over the Solomon Islands on Thursday. Russia had recorded a 10-5 win over Cuba on Tuesday. Japan played the Solomon Islands in another group match later in the day.
Schumacher gave the Brazilians all the scoring they needed in the third minute, but Russia's Dmitry Prudnikov doubled the lead with an own goal five minutes later.
Lenisio scored his first goal in the 14th minute and Cico made it 4-0 only two minutes later.
The Brazilians continued pressing in the second half as Lenisio struck for his second goal in the 22nd minute. Falcao added another in the 29th minute and Vinicius closed out the scoring in the 32nd minute.