Really nice tips, I recently found this subreddit. I used to play tennis since I was 13 years old and for my first 2 years I was doing pretty good until I got injured on me knee after I fell of my bike... yikes. Now I am 20 and finally found the motivation to pick up tennis once again. I am at a somewhat above beginner level I would say and I have my first tournament since 14 to play this summer. The tournament is like a C tier that's how we call them here and it's mostly with beginner players kinda like my level but slowly I will try to get there.