Top seed and eight-time champion Roger Federer faced rising NextGen star Karen Khachanov in the first semi-final at the Gerry Weber Open - watch the full replay.
Roger Federer v Karen Khachanov
Replay
Halle
2017SFSF
Top seed and eight-time champion Roger Federer faced rising NextGen star Karen Khachanov in the first semi-final at the Gerry Weber Open - watch the full replay.
