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HALLE, GERMANY - JUNE 22: during day five of the Gerry Weber Open at Gerry Weber Stadium on June 22, 2018 in Halle, Germany. (Photo by Thomas Starke/Getty Images)

HALLE, GERMANY - JUNE 22:  during day five of the Gerry Weber Open at Gerry Weber Stadium on June 22, 2018 in Halle, Germany. (Photo by Thomas Starke/Getty Images)