Watch the pick of the action from the semi-finals of the Gerry Weber Open as eight-time champion Roger Federer came up against rising Russian star Karen Khachanov while German favourite and last year's finalist Alexander Zverev faced Richard Gasquet.
Halle 2017 Semi-Final Highlights
Daily Highlights
Halle
2017SFSF
Watch the pick of the action from the semi-finals of the Gerry Weber Open as eight-time champion Roger Federer came up against rising Russian star Karen Khachanov while German favourite and last year's finalist Alexander Zverev faced Richard Gasquet.
