Poland's Iga Swiatek hits a return to Belgium's Elise Mertens during their women's singles quarter-final at the China Open tennis tournament in Beijing on October 9, 2026. (Photo by GREG BAKER / AFP via Getty Images)

Belgium's Elise Mertens hits a return to Poland's Iga Swiatek during their women's singles quarter-final at the China Open tennis tournament in Beijing on October 9, 2026. (Photo by GREG BAKER / AFP via Getty Images)

BEIJING, CHINA - OCTOBER 09: Su-Wei Hsieh of Chinese Taipei and Jelena Ostapenko of Latvia return a shot against Erin Routliffe of New Zealand and Aldila Sutjiadi of Indonesia during the Women's Doubles quarterfinals match on day ten of China Open at the National Tennis Center on October 09, 2026 in Beijing, China. (Photo by Yanshan Zhang/Getty Images)

BEIJING, CHINA - OCTOBER 09: Su-Wei Hsieh of Chinese Taipei and Jelena Ostapenko of Latvia react during the Women's Doubles quarterfinals match against Erin Routliffe of New Zealand and Aldila Sutjiadi of Indonesia on day ten of China Open at the National Tennis Center on October 09, 2026 in Beijing, China. (Photo by Yanshan Zhang/Getty Images)

BEIJING, CHINA - OCTOBER 09: Erin Routliffe of New Zealand and Aldila Sutjiadi of Indonesia react during the Women's Doubles quarterfinals match against Su-Wei Hsieh of Chinese Taipei and Jelena Ostapenko of Latvia on day ten of China Open at the National Tennis Center on October 09, 2026 in Beijing, China. (Photo by Yanshan Zhang/Getty Images)

BEIJING, CHINA - OCTOBER 09: Erin Routliffe of New Zealand and Aldila Sutjiadi of Indonesia react during the Women's Doubles quarterfinals match against Su-Wei Hsieh of Chinese Taipei and Jelena Ostapenko of Latvia on day ten of China Open at the National Tennis Center on October 09, 2026 in Beijing, China. (Photo by Yanshan Zhang/Getty Images)

BEIJING, CHINA - OCTOBER 09: Erin Routliffe of New Zealand and Aldila Sutjiadi of Indonesia react during the Women's Doubles quarterfinals match against Su-Wei Hsieh of Chinese Taipei and Jelena Ostapenko of Latvia on day ten of China Open at the National Tennis Center on October 09, 2026 in Beijing, China. (Photo by Yanshan Zhang/Getty Images)

BEIJING, CHINA - OCTOBER 09: Erin Routliffe of New Zealand and Aldila Sutjiadi of Indonesia react during the Women's Doubles quarterfinals match against Su-Wei Hsieh of Chinese Taipei and Jelena Ostapenko of Latvia on day ten of China Open at the National Tennis Center on October 09, 2026 in Beijing, China. (Photo by Yanshan Zhang/Getty Images)