If you expect AI to do all by itself, it just doesn't work that way. The reason it works for opponent is that we don't understand how second man press works - defenders are always close but harmless, if you don't panic or try risky pass.

Yes you need to set up manual jockey and get gud with predicting opponent movements. You have to play good manual defense, that's the key. No high pressure and team pressure will save you if you don't know how to play extremly good 1-on-1 defense.