The Europeans were beaten 3-1 by Brazil in their World Cup opener on Thursday but were unfortunate to concede a harsh penalty and have a goal of their own disallowed, having troubled the Selecao throughout the 90 minutes.
Cameroon are next up in Group A at the Arena Amazon in Manaus on Wednesday evening, with both sides knowing that defeat could put them out of the tournament.
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"Against Cameroon it will be a completely different game," he reasoned to reporters. "It was difficult to attack Brazil - we had to look through counterattacks - but against Cameroon we will have greater ball possession and seek dominance.
"The first goal will be an advantage - it would be good to go in to half-time with a positive result. We know all about Cameroon, we analysed them like Brazil and will set our tactics accordingly.
"Our goal is to take the three points and this is a game with growing importance."
The coach also seemed unfazed by the testing conditions in Manaus, remarking that his side have profited from more rest than their rivals.
"I think a rest day is always useful," Kovac explained. "Everyone has recovered."