TO improve your tennis game do not play against the same player too often unless he is the better player. Vary your opponents. By playing against the same man too much you soon learn each other's weaknesses and do not improve.
The strokes are the same all the time and each one knows where and when the ball is coming. If you play with different players, you will meet new strokes, fresh tactics, and varying temperaments.
Play as much as possible against men who can beat you. Beating will do you good from the start, as you will know you are getting good practice.
When you know that you can beat a man, you will not be forced to your best, which makes you careless in stroke.
If one could remember to practice his weak strokes when playing against a poor player it would do a world of good. Do not be content to give him a bad beating.
For example, if you have a weak back