Thanks for the explanation and the demonstration video Boogar! Now I understand what you mean by shuffle steps. I think...
Dmitrij Otvcharov needs to beat Ma Long at least once.. He's beaten ZJK already twice.
Dima's serves are good enough...
I took some pictres at the stadium of Korea open
Ma Long vs Chen Chien-An (Semi Final)
Xu Xin vs Fan Zhendong (Semi Final)