Originally Posted by TheCheese
Watch some side slow-mo videos of Fed's forehand and note where he's contacting the ball. Try and meet it that far in front.
Today i returned back to my 6.1 blx team and there was no pain at all. I think i'm not fit enough to use an 12+ oz 6.1 95 blx 16x18. I will begin training and gain some weight in a few months and try it again. Thanks for advices guys.