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Halle, Germany. 17th June, 2019. Tennis: ATP-Tour singles, men, 1st round, Johnson (USA) - Kohlschreiber (Germany). Steve Johnson hits a ball. Credit: Friso Gentsch/dpa/Alamy Live News Stock Photo - Alamy
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Alexander Zverev makes Roger Federer contract request ahead of Halle Open | Tennis | Sport | Express.co.uk
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