It seems KS wanted to prove that the PSS win was not simply by luck... And is too eager to attack, and making so many unforced errors..
I don't remember saying KS won by luck. I mentioned, that in his mind he wanted to prove that it's not one time event, and wanted to prove himself.. Simply put, he has not yet recovered from his sensational win yet..
That was nicely done by KS, smash from the back of the court, and coming forward and killing at the net.