Slow down your game speed. If you struggle playing against CPU, game speed of 0 or even -1 will give you more time to think, both attacking and defending, it’ll be easier to see your options on the pitch rather than depending on your reflexes. It will be odd at first, but you’ll get used to it really quickly.
You can do this during the match:
1. press Start
2. System settings
3. Game speed settings
4. change game speed