The 45-year-old says that his side have analysed videos of their first opponents' last 10 matches and insists that nothing will surprise them when they meet the Africans
The tournament provided a major shock on Saturday as Costa Rica stunned Uruguay with a 3-1 victory in Fortaleza, while few expected Netherlands to defeat reigning champions Spain on Friday - especially not 5-1.
Wilmots is aware that Belgium will go into their opening game against Algeria on Tuesday as favourites to claim three points but is adamant that there is no danger of the African nation being underestimated when the action gets under way in Belo Horizonte.
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"We do a video analysis of the last 10 games - yes, the last 10 - to know every starting XI. I won't give you the sheets that I've got here but I know about each player individually and in which system they played.
"So we are ready, we know everything about Algeria, but what I'm interested in is that our players know all about it.
"It's why for the past two or three days, they got the pictures, the strengths and the weaknesses of each player. I prefer to do it over a week so we have time to look and to talk about it.
"If you give them everything the day before the game, it's way too much information so right, after Algeria, they'll have information on Russia for three or four days and it allows our players to come to us, to talk about it with the staff, for players who are interested in that. This helps us to avoid any surprises."