Playing the right tactics is one of the vital keys to winning your next match.  In order to know which tactics to play, it is often helpful to label your opponent as a looper, chopper, lobber, blocker, etc.  Once you have placed him in a category, then you can begin making a game-plan.  (please realize that many playing styles overlap)
 
Check out these tactics articles on playing specific opponents:
 

 
 
 
 
 
In this article, I’m going to classify all table tennis rubbers into one of three basic categories.
 
 
Grippy Inverted Rubbers
What you see is what you get.  If your opponent strokes the ball with a topspin stroke, the ball will be topspin to some degree or another.  Same principle applies to backspin or sidespin.
 
 
Recreational Rubbers, Short Pips, and Long Pips with Grip

 
 
 
For those of you who are preparing for our Sep 26-27 tournament, I would highly recommend that you carefully read this article and takes notes in order to mentally prepare for the competition.  I posted this article in the past, but decided to re-post it as a refresher...