"How does the sponge thickness influences the game of the defensive player?" - an interesting question we did not have an answer for.
In this video we have tested Grass D.Tecs rubber with different sponge thicknesses on the defensive blade.
Here are our thoughts and impressions from the perspective of the chopper and his opponent.
We hope you like it!
Blade:
https://www.tabletennis11.com/other_eng/donic-defplay-senso-v3
Long pimple rubber:
https://www.tabletennis11.com/other_eng/tibhar-grass-d-tecs
Forehand rubber:
https://www.tabletennis11.com/other_eng/dhs-hurricane-3-neo