MASON, OHIO - AUGUST 19: Grigor Dimitrov of Bulgaria serves to Daniil Medvedev of Russia during the Western & Southern Open at Lindner Family Tennis Center on August 19, 2021 in Mason, Ohio. (Photo by Matthew Stockman/Getty Images)
MASON, OHIO - AUGUST 19: Grigor Dimitrov of Bulgaria serves to Daniil Medvedev of Russia during the Western & Southern Open at Lindner Family Tennis Center on August 19, 2021 in Mason, Ohio. (Photo by Matthew Stockman/Getty Images)