BEIJING, CHINA - OCTOBER 10: Nikola Bartunkova of Czech Republic returns a shot against Mirra Andreeva during the Women's Singles semifinals match on day eleven of China Open at the National Tennis Center on October 10, 2026 in Beijing, China. (Photo by Yanshan Zhang/Getty Images)

BEIJING, CHINA - OCTOBER 10: Nikola Bartunkova of Czech Republic returns a shot against Mirra Andreeva during the Women's Singles semifinals match on day eleven of China Open at the National Tennis Center on October 10, 2026 in Beijing, China. (Photo by Yanshan Zhang/Getty Images)

BEIJING, CHINA - OCTOBER 10: Nikola Bartunkova of Czech Republic, Will Liu and Mirra Andreeva pose for a photograph before the Women's Singles semifinals match on day eleven of China Open at the National Tennis Center on October 10, 2026 in Beijing, China. (Photo by Yanshan Zhang/Getty Images)

BEIJING, CHINA - OCTOBER 10: Nikola Bartunkova of Czech Republic walks onto the court before the Women's Singles semifinals match on day eleven of China Open at the National Tennis Center on October 10, 2026 in Beijing, China. (Photo by Yanshan Zhang/Getty Images)

Czech Republic's Katerina Siniakova (R) and China's Zhang Shuai play a point against New Zealand's Erin Routliffe and Indonesia's Aldila Sutjiadi during their women's doubles semi-final match at the China Open tennis tournament in Beijing on October 10, 2026. (Photo by ADEK BERRY / AFP via Getty Images)

Indonesia's Aldila Sutjiadi (R) and New Zealand's Erin Routliffe play a point against Czech Republic's Katerina Siniakova and China's Zhang Shuai during their women's doubles semi-final match at the China Open tennis tournament in Beijing on October 10, 2026. (Photo by Adek BERRY / AFP via Getty Images)

Indonesia's Aldila Sutjiadi (top) and New Zealand's Erin Routliffe play a point against Czech Republic's Katerina Siniakova and China's Zhang Shuai during their women's doubles semi-final match at the China Open tennis tournament in Beijing on October 10, 2026. (Photo by Adek BERRY / AFP via Getty Images)

BEIJING, CHINA - OCTOBER 10: Katerina Siniakova of Czech Republic and Shuai Zhang of China return a shot against Erin Routliffe of New Zealand and Aldila Sutjiadi of Indonesia during the Women's Doubles semifinals match on day eleven of China Open at the National Tennis Center on October 10, 2026 in Beijing, China. (Photo by Yanshan Zhang/Getty Images)