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NEW YORK, NEW YORK - AUGUST 29: Fernando Verdasco of Spain returns a shot during his Men's Singles second round match against Hyeon Chung of South Korea on day four of the 2019 US Open at the USTA Billie Jean King National Tennis Center on August 29, 2019 in Queens borough of New York City. (Photo by Emilee Chinn/Getty Images)

NEW YORK, NEW YORK - AUGUST 29:  Fernando Verdasco of Spain returns a shot during his Men's Singles second round match against Hyeon Chung of South Korea on day four of the 2019 US Open at the USTA Billie Jean King National Tennis Center on August 29, 2019 in Queens borough of New York City. (Photo by Emilee Chinn/Getty Images)