The biggest tip i can give You actually is to think like your enemy.
Lets say u're in a treeline with few bushes, between u ' ur enemy is like 300 m, open field, he have a treeline aswell, if u back up.
they will push You for sure lets say.
U need to think in the same way i made this image for You to understand, every single thing in this game depends on your enemy movements.
Before You get better u need to try a shit tone of diffrent tactics / die multiple times until u find Your playstyle.
Blue Circle: You
Black: Running in eyes of enemy
Purple: Enemy lost eyes on You
Black/red dots: Potential spots of enemy / enemy with lost vision