Originally Posted by NLBwell
I have always thought the Williams played with rackets that had too much power and were uncontrollable, thus leading to too many unforced errors. Large head rackets with Powerholes and gut aren't good for consistency. She went to a tighter string pattern a few years ago, and going to the stiffer stringbed with a poly hybrid probably leads to more accuracy and less unforced errors. If Serena had only one or two more unforced errors, she might have lost the US Open final, so it probably did make a difference.
She was leading her head to head 7-1 and beat her up quite often and very badly. With the new strings she does the same. I don't see any difference.