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WASHINGTON, DC - AUGUST 02: Andy Murray celebrates a shot while playing with his brother Jamie Murray of Great Britain during their doubles match against Raven Klaasen of Russia and Michael Venus of New Zealand during Day 5 of the Citi Open at Rock Creek Tennis Center on August 02, 2019 in Washington, DC. (Photo by Rob Carr/Getty Images)

WASHINGTON, DC - AUGUST 02: Andy Murray celebrates a shot while playing with his brother Jamie Murray of Great Britain during their doubles match against Raven Klaasen of Russia and Michael Venus of New Zealand during Day 5 of the Citi Open at Rock Creek Tennis Center on August 02, 2019 in Washington, DC. (Photo by Rob Carr/Getty Images)