All the highlights from this Mutua Madrid Open quarter-final as second seed Alexander Zverev met John Isner in a repeat of their recent Miami final won by the American - who would come out on top this time?
John Isner v Alexander Zverev Highlights
Match Highlights
Madrid
2018QFQF
All the highlights from this Mutua Madrid Open quarter-final as second seed Alexander Zverev met John Isner in a repeat of their recent Miami final won by the American - who would come out on top this time?
