Placement Beats Power
Work on your swing, work on hitting the ball while balanced and connecting with the ball within your circle of reach, (not overreaching for a ball). If you lean too far into the kitchen (or on the court when not moving your feet) all your weight is on your toes or off balance and it’s harder to hit a controlled stroke.
Allow the ball to come to you, don’t rush your stroke, and practice aiming the ball at specific points on the court.
Instead of just trying to get the ball over the net, think about placing the ball at the foot of your opponent or in a certain section of the court. This will help to cut out unforced errors and take your game to a higher level.