Originally Posted by LeeD
Pronation has nothing to do with spin. It only adds rackethead speed
Oh. So you say I have problems with my English. Great, I know it's not my native language.
The real problem is that YOU have problems with - your English or your tennis knowledge.
In my opinion - your tennis knowledge is huge, but totally wrong in many important places. So hide your hammers, learn humility. The last thing we need here is an old 3.0 player as an Oracle.