WASHINGTON, DC - JULY 18: Taylor Fritz of the United States of America returns a shot to Dudi Sela of Israel during day 1 of the Citi Open at Rock Creek Tennis Center on July 18, 2016 in Washington, DC. (Photo by Matthew Hazlett/Getty Images)
WASHINGTON, DC - JULY 18: Taylor Fritz of the United States of America returns a shot to Dudi Sela of Israel during day 1 of the Citi Open at Rock Creek Tennis Center on July 18, 2016 in Washington, DC. (Photo by Matthew Hazlett/Getty Images)