Originally Posted by tennisconsultcom
If a kid plays confirmed cheater who shouts "out" on all near base line balls on his side, your advice probably will not work. Hitting more winners means increasing more unforced errors. 1 and 2 contradict each other.
Routinely hitting lines is luck. Great players don't aim for lines and they can beat you many ways.
Hitting more winners does not mean more errors. Hitting more winners than errors is learning how to play and the key to winning matches. Novak was 19+ at one point vs Harrison last night.