Each team has its own characteristics with the strategies they have, all of them will definitely have weaknesses, this is the task of the coach who is on the side of the field to monitor the opponent's formation or strategy to find their weak points and then convey to the teams to do something according to their instructions so that they can break down the opponent's defense, so if you only use tiki taka it won't be efficient.
Every single team in the league have their own pattern of game and they definitely also know their weaknesses. For real madrid, they have a very good midfield and defend, if one can pull down the basic formation of the team, then I assure you for a win against the los blancos. All coaches derived joy in watching their club beats both stronger and weaker opponents. Some coaches strategy and tactics can bring down an entire team, having an impact negatively or positively.