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Roger Federer acknowledges the crowd after defeat to Alexander Zverev during day seven of the Nitto ATP Finals at The O2 Arena, London Stock Photo - Alamy
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It's a disaster' - Alexander Zverev hits out at ATP rankings for having him below Roger Federer - Eurosport
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Alexander Zverev beats John Isner to set up semi-final meeting with Roger Federer at ATP Finals | The Independent | The Independent
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Alexander Zverev delight after achieving Djokovic, Federer and Nadal feat at ATP Finals | Tennis | Sport | Express.co.uk
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Alexander Zverev sets up ATP Finals semi-finals against Roger Federer | Sports News,The Indian Express
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Alexander Zverev beats Roger Federer to win Montreal title | Coupe Rogers 2017 Final Highlights - YouTube
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