ATP Finals: Crowd boo Alexander Zverev after defeating Roger Federer - BBC Sport
Alexander Zverev faces boos during his post-match interview after beating Roger Federer over an incident in which he stopped a point because a ball boy dropped a ball.
Alexander Zverev faces boos during his post-match interview after beating Roger Federer at the ATP World Tour Finals after an incident in which he stopped a point because a ball boy dropped a ball.

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