Argentine's Francisco Cerundolo serves to Russia's Roman Safiullin during their men's singles match at the Shanghai Master tennis tournament in Shanghai on October 9, 2026. (Photo by AFP via Getty Images) / China OUT

Argentine's Francisco Cerundolo hits a return to Russia's Roman Safiullin during their men's singles match at the Shanghai Master tennis tournament in Shanghai on October 9, 2026. (Photo by AFP via Getty Images) / China OUT

Russia's Roman Safiullin hits a return to Argentine's Francisco Cerundolo during their men's singles match at the Shanghai Master tennis tournament in Shanghai on October 9, 2026. (Photo by AFP via Getty Images) / China OUT

BEIJING, CHINA - OCTOBER 09: Elise Mertens of Belgium shakes hands with Iga Swiatek of Poland after winning the Women's Singles quarterfinal match on day ten of China Open at the National Tennis Center on October 09, 2026 in Beijing, China. (Photo by Lintao Zhang/Getty Images)

BEIJING, CHINA - OCTOBER 09: Iga Swiatek of Poland leaves the court after losin the Women's Singles quarterfinal match against Elise Mertens of Belgium on day ten of China Open at the National Tennis Center on October 09, 2026 in Beijing, China. (Photo by Lintao Zhang/Getty Images)

BEIJING, CHINA - OCTOBER 09: Elise Mertens of Belgium celebrates after winning the Women's Singles quarterfinal match against Iga Swiatek of Poland on day ten of China Open at the National Tennis Center on October 09, 2026 in Beijing, China. (Photo by Lintao Zhang/Getty Images)

BEIJING, CHINA - OCTOBER 09: Elise Mertens of Belgium celebrates after winning the Women's Singles quarterfinal match against Iga Swiatek of Poland on day ten of China Open at the National Tennis Center on October 09, 2026 in Beijing, China. (Photo by Lintao Zhang/Getty Images)

BEIJING, CHINA - OCTOBER 09: Elise Mertens of Belgium celebrates after winning the Women's Singles quarterfinal match against Iga Swiatek of Poland on day ten of China Open at the National Tennis Center on October 09, 2026 in Beijing, China. (Photo by Yanshan Zhang/Getty Images)