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RIO DE JANEIRO, BRAZIL - AUGUST 10: Tennis Player Thiago Monteiro plays a backhand during a training session amidst the coronavirus (COVID-19) pandemic on August 10, 2020 in Rio de Janeiro, Brazil. Thiago is the number one tennis player in Brazil and 82 in the ATP world ranking, he will return to competitions in the US Open, the first Grand Slam foreseen in the resumption of professional tennis since the beginning of the coronavirus pandemic. (Photo by Buda Mendes/Getty Images)

RIO DE JANEIRO, BRAZIL - AUGUST 10: Tennis Player Thiago Monteiro plays a backhand during a training session amidst the coronavirus (COVID-19) pandemic on August 10, 2020 in Rio de Janeiro, Brazil. Thiago is the number one tennis player in Brazil and 82 in the ATP world ranking, he will return to competitions in the US Open, the first Grand Slam foreseen in the resumption of professional tennis since the beginning of the coronavirus pandemic. (Photo by Buda Mendes/Getty Images)