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Roger Federer progresses to Halle Open semi-finals after Alexander Zverev loses | Tennis News | Sky Sports
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Halle Open: Roger Federer defeats Karen Khachanov, faces Alexander Zverev in 11th tournament final-Sports News , Firstpost
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Halle, Germany. 18th June, 2016. Roger Federer (SUI) and Alexander Zverev (GER) are playing the first semifinal of the 2016 Gerry-Weber-Open in Halle, Germany Credit: Janine Lang/Alamy Live News Stock Photo -
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Roger Federer dispatches Alexander Zverev to secure ninth Halle title | Roger Federer | The Guardian
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