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BEIJING, CHINA - OCTOBER 04: Bianca Andreescu of Canada leaves the court after lose the game against Naomi Osaka of Japan during the Women's singles Quarter Finals of 2019 China Open at the China National Tennis Center on October 4, 2019 in Beijing, China. (Photo by Lintao Zhang/Getty Images)

BEIJING, CHINA - OCTOBER 04:  Bianca Andreescu of Canada leaves the court after lose the game against Naomi Osaka of Japan during the Women's singles Quarter Finals of 2019 China Open at the China National Tennis Center on October 4, 2019 in Beijing, China.  (Photo by Lintao Zhang/Getty Images)

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BEIJING, CHINA - OCTOBER 04: Naomi Osaka of Japan reacts during the match against Bianca Andreescu of Canada during the Women's singles Quarter Finals of 2019 China Open at the China National Tennis Center on October 4, 2019 in Beijing, China. (Photo by Lintao Zhang/Getty Images)

BEIJING, CHINA - OCTOBER 04:  Naomi Osaka of Japan reacts during the match against Bianca Andreescu of Canada during the Women's singles Quarter Finals of 2019 China Open at the China National Tennis Center on October 4, 2019 in Beijing, China.  (Photo by Lintao Zhang/Getty Images)

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BEIJING, CHINA - OCTOBER 04: Naomi Osaka of Japan and Bianca Andreescu of Canada greet each other after the Women's singles quarterfinals of 2019 China Open at the China National Tennis Center on October 4, 2019 in Beijing, China. (Photo by Xinyu Cui/Getty Images)

BEIJING, CHINA - OCTOBER 04: Naomi Osaka of Japan and Bianca Andreescu of Canada greet each other after the Women's singles quarterfinals of 2019 China Open at the China National Tennis Center on October 4, 2019 in Beijing, China. (Photo by Xinyu Cui/Getty Images)

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BEIJING, CHINA - OCTOBER 04: Bianca Andreescu of Canada returns a shot against Naomi Osaka of Japan during the Women's singles Quarter Finals of 2019 China Open at the China National Tennis Center on October 4, 2019 in Beijing, China. (Photo by Lintao Zhang/Getty Images)

BEIJING, CHINA - OCTOBER 04:  Bianca Andreescu of Canada returns a shot against Naomi Osaka of Japan during the Women's singles Quarter Finals of 2019 China Open at the China National Tennis Center on October 4, 2019 in Beijing, China.  (Photo by Lintao Zhang/Getty Images)

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BEIJING, CHINA - OCTOBER 04: Naomi Osaka of Japan and Bianca Andreescu of Canada greet each other after the Women's singles quarterfinals of 2019 China Open at the China National Tennis Center on October 4, 2019 in Beijing, China. (Photo by Xinyu Cui/Getty Images)

BEIJING, CHINA - OCTOBER 04: Naomi Osaka of Japan and Bianca Andreescu of Canada greet each other after the Women's singles quarterfinals of 2019 China Open at the China National Tennis Center on October 4, 2019 in Beijing, China. (Photo by Xinyu Cui/Getty Images)