Authors:

It's not easy, you know, hitting balls every day, and, you know, staying really motivated throughout the whole period. It's normal you're going to have ups and downs.

Interview, 2014.usopen.org. August 29, 2014.
It's not easy, you know, hitting balls every day, and, you know, staying really motivated throughout the whole period. It's normal you're going to have ups and downs.