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St Jakobshalle, Basel, Switzerland. 22nd Oct, 2018. ATP World Tour, Swiss Indoor Tennis; Alexander Zverev (GER) in action in the match between Alexander Zverev (GER) and Mischa Zverev (GER) against Jack Sock (
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Basel, Switzerland. 22nd Oct, 2019. Alexander Zverev (Germany) hits the ball during the ATP 500 Swiss Indoors 2019 Tennis match between Alexander Zverev and Taylor Fritz at St. Jakobshalle Basel on October
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