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 mens 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 Zverev swiftly turning into a beating, Karen Khachanov fought hard to force a second-set tie-break. Deep in that tension-filled tie-break, down 5-6 on his serve, Khachanov saved Zverevs first set point w...