Alexander Zverev holds his nerve against Karen Khachanov to reach US Open final

Zverev wins 6-3, 7-6 (7), 7-6 (6)German reaches third straight grand slam finalAbout 107 minutes into men’s semi-final day on Arthur Ashe Stadium, there was finally a touch of tension radiating from the court. After falling down a set and break, his semi-final meeting with his old rival Alexander Zv...