Watch the first of the quarter-finals from the German Open as third seed Karen Khachanov took on Argentine qualifier and 2013 runner-up Federico Delbonis.
Karen Khachanov v Federico Delbonis
Replay
Hamburg
2017QFQF
Watch the first of the quarter-finals from the German Open as third seed Karen Khachanov took on Argentine qualifier and 2013 runner-up Federico Delbonis.
