Tag:axis

Jack Sock – Service 3.0

....they also made some improvements on Jack's backhand and then some serious work has been done on Jack's service, which can be considered as quite a weapon now. In this article, I would like to focus on some qualities of this "new Sock service", as he showed them at the ATP 500 tournament in Basel (SUI)¬†few weeks ago already, just before the above mentioned Paris event....