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German tennis player Julian Reister serves the ball during the first round match against Frederico Delbonis from Argentina at the ATP tennis tournament in Hamburg, Germany,Tuesday July 16, 2013. (AP Photo/dpa,Axel Heimken
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Halle, Germany. 19th June, 2023. Tennis: ATP Tour Singles, Men, 1st Round, Otte (Germany) - Dere (Serbia). Oscar Otte throws the ball to serve. Credit: Friso Gentsch/dpa/Alamy Live News Stock Photo -
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Germany's Florian Mayer serves during his third round match against Argentina's Juan Martin Del Porto at the Mercedes Cup ATP tennis tournament at the Weissenhof in Stuttgart, southwestern Germany, on Thursday, July
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