Originally Posted by Marilyn Monheaux
US slower than OZ?
Yup, it is these days imo. That's one of the main reasons why Stosur does so much better at the USO than at the AO (it's not just about the "home pressure"). Same for Errani, she never would've been able to grind her way into the semis when the USO played as quick as it did prior to 2011.