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To unlock the No Bad Match Ups trophy in Mortal Kombat 11, you will need to complete all of the game's strategy tutorials.
Main Menu > Learn > Tutorial > Strategy Tutorial
There are 17 tutorials within the Strategy section that are split across three categories: Building Combos, Advantage & Pressure and Positioning & Resources.
Finish all 17 tutorials and the trophy will unlock. If you are struggling with any of the tutorials, you can use the Touchpad to be shown the button inputs required.