Share 'Need advice for strategy'

Hi, I need advices on game tactics. Recently I played games with other players and I believe to be equally matched with them. I am aware that I have no solid game and strategies to rely on Usually I hit the ball back to the opponent's side and trying to go side by side.   Here are my problems that I realised from the previous matches I played: - On my service game, with the help of a good serve a…