Originally Posted by Patrick345
Not enough time. Better to begin right after the US Open and sacrifice Tokyo, Beijing and YEC for the significant long-term benefits (if successful). It was also the perfect time to do it, since she is locked into the important #2 ranking already with the injury to Sharapova.
Exactly. Plus it's necessary to get match practice with it. Even if the YEC ends up flopping because she's trying a new serve, it's better than if she came out doing it next year and got her ass handed to her in AO early rounds.