Loading...Jan-Lennard Struff v Karen Khachanov HighlightsJan-Lennard Struff v Karen Khachanov HighlightsHIGHLIGHTSHALLE2019R26:25Germany's Jan-Lennard Struff faced third seed Karen Khachanov in the second round of the Noventi Open in Halle - here are all the highlights.