Make up my own spin strokes

The sidespin stroke. You know Jan Ove Waldner? His sidespin stroke was like a stab on the side of the ball. I saw him do it in a video of his 1987ish match. I found this easier to control than doing a hook.

Ok. You hold it shakehand grip. Hold the bat so it's flat perpendicular to the table's surface. Imagine that your bat is like the wall. As the ball comes toward you, simply brush the side as if your trying to punch the ball. It's almost like a topspin stroke but with a little sidespin variation to it.

that stroke is for the counterclockwise sidespin. For the clockwise sidespin, you reverse the previously mentioned sidespin technique. Do it as if you're taking back that punch. When I do it, however, sometimes have to spike the ball in order to generate good sidepin and sometimes I don't it's just a matter of good consistency. But as Alois mentioned in his sidespin video, the sidespin stroke lacks consistency. I thought he meant it with his hook sidepin stroke technique. But apparently, the power of my sidespin also lacks consistency. I think it's just best to practice the stroke with a good practice partner who knows how to return sidespins back to you cleanly just so you can develop the sidespin more effectively.

But if you get the chance, you should youtube the video. search for the username MurrayfieldTTC and search the videos in that channel. You'll Eventually come across some old videos from the 1987 match from Waldner. If you watch those videos (especially Waldner's match against Li Gun Sang, the backspin chopper), you'll catch on some very familiar strokes (that pingskills showed in the videos) from both players as well as the sidespin I mentioned.

You're welcome :)

when the ball spins leftward, I call it counterclockwise. When it spins rightward, I call it clockwise.

I agree with you it is a very risky shot. The reason being is that when the opponent hits the ball, the sidespin will cause the ball to naturally hit the opposite end of the table. If the opponent returns the ball, it will be uncertain where the ball will kick off the table. Besides that, the sidespin stroke in itself is hard to do.

I would only apply sidespin for the purpose of variation-maybe in points where the opponent wouldn't expect it. But that's it, I probably shouldn't do the sidespin stroke all the time in a match.

And about the sidespin serve, I'd say it's important to make it quick and short, but with a fine contact. This way, the opponent will have less reaction time and the shortness of the serve will add pressure to your opponent, forcing him to flick. In addition to that, faking the serve would really make a difference. Though all this is way easier said than done.