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MIKI, JAPAN - MARCH 06: Yasutaka Uchiyama of Japan plays a forehand in his singles match against Roberto Quiroz of Ecuador on day one of the Davis Cup qualifier between Japan and Ecuador at the Bourbon Beans Dome on March 06, 2020 in Miki, Hyogo, Japan. The 2-day qualifier is held behind closed doors due to novel coronavirus outbreak. (Photo by Kiyoshi Ota/Getty Images)

MIKI, JAPAN - MARCH 06: Yasutaka Uchiyama of Japan plays a forehand in his singles match against Roberto Quiroz of Ecuador on day one of the Davis Cup qualifier between Japan and Ecuador at the Bourbon Beans Dome on March 06, 2020 in Miki, Hyogo, Japan. The 2-day qualifier is held behind closed doors due to novel coronavirus outbreak. (Photo by Kiyoshi Ota/Getty Images)