For your own scouting reports just stick to the basics. Strengths. Weaknesses. Patterns. Unforced errors. Favorite shots in certain situations. You can do it while watching a match. You can do it while playing a match. You can do it after a match. But do it. By knowing “who’s doing what to whom” you can capitalize on a tremendous advantage. Here’s a great example of how I used that advantage to beat a good friend.