China's Sun Xinran hits a return to USA's Coco Gauff during their women's singles match at the China Open tennis tournament in Beijing on October 5, 2026. (Photo by ADEK BERRY / AFP via Getty Images)

USA's Coco Gauff hits a return to China's Sun Xinran during their women's singles match at the China Open tennis tournament in Beijing on October 5, 2026. (Photo by ADEK BERRY / AFP via Getty Images)

USA's Coco Gauff hits a return to China's Sun Xinran during their women's singles match at the China Open tennis tournament in Beijing on October 5, 2026. (Photo by ADEK BERRY / AFP via Getty Images)

BEIJING, CHINA - OCTOBER 05: Xinran Sun of China walks off the court after losing the Women's Singles Third Round match against Coco Gauff of the United States on day six of China Open at the National Tennis Center on October 05, 2026 in Beijing, China. (Photo by Lintao Zhang/Getty Images)

Russia's Daniil Medvedev serves to Serbia's Novak Djokovic during their men's singles semi-final at the China Open tennis tournament in Beijing on October 5, 2026. (Photo by GREG BAKER / AFP via Getty Images)

Serbia's Novak Djokovic hits a return to Russia's Daniil Medvedev during their men's singles semi-final at the China Open tennis tournament in Beijing on October 5, 2026. (Photo by GREG BAKER / AFP via Getty Images)

Serbia's Novak Djokovic hits a return to Russia's Daniil Medvedev during their men's singles semi-final at the China Open tennis tournament in Beijing on October 5, 2026. (Photo by GREG BAKER / AFP via Getty Images)

Russia's Daniil Medvedev (R) speaks with the match umpire (L) and an ATP official (2nd R) after he was disqualified for hitting a ball into the stands, injuring a spectator, during the men's singles semi-final against Serbia's Novak Djokovic at the China Open tennis tournament in Beijing on October 5, 2026. (Photo by GREG BAKER / AFP via Getty Images)