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STUTTGART, GERMANY - JUNE 10: Dominic Stephan Stricker of Switzerland makes a service during his match against Hubert Hurkacz of Poland during day 4 of the MercedesCup at Tennisclub Weissenhof on June 10, 2021 in Stuttgart, Germany. (Photo by Christian Kaspar-Bartke/Getty Images)

STUTTGART, GERMANY - JUNE 10: Dominic Stephan Stricker of Switzerland makes a service during his match against Hubert Hurkacz of Poland during day 4 of the MercedesCup at Tennisclub Weissenhof on June 10, 2021 in Stuttgart, Germany. (Photo by Christian Kaspar-Bartke/Getty Images)
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Getty Images Sport Christian Kaspar-Bartke