Zverev Khachanov head-to-head

Alexander Zverev (R) and Karen Khachanov (Reuters Photo) NEW YORK CITY: They are the same height, almost the same age, and go back a long way, both have spent years knocking on the door of Grand Slam success. Standing at 6 ft 6’, there’s little to separate Alexander Zverev and Karen Khachanov physically when they…