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TOKYO, JAPAN - JULY 24: Thiago Monteiro of Team Brazil plays a backhand during his Men's Singles First Round match against Jan-Lennard Struff of Team Germany on day one of the Tokyo 2020 Olympic Games at Ariake Tennis Park on July 24, 2021 in Tokyo, Japan. (Photo by Adam Pretty/Getty Images)

TOKYO, JAPAN - JULY 24: Thiago Monteiro of Team Brazil plays a backhand during his Men's Singles First Round match against Jan-Lennard Struff of Team Germany on day one of the Tokyo 2020 Olympic Games at Ariake Tennis Park on July 24, 2021 in Tokyo, Japan. (Photo by Adam Pretty/Getty Images)