Anna Bondar of Hungary (bottom) serves against Kimberly Birrell of Australia (top) during their women's singles semi-final match at the Korea Open tennis championships in Seoul on September 26, 2026. (Photo by Jung Yeon-je / AFP via Getty Images)

Kimberly Birrell of Australia hits a return against Anna Bondar of Hungary during their women's singles semi-final match at the Korea Open tennis championships in Seoul on September 26, 2026. (Photo by Jung Yeon-je / AFP via Getty Images)

Kimberly Birrell of Australia reacts after making a point against Anna Bondar of Hungary during their women's singles semi-final match at the Korea Open tennis championships in Seoul on September 26, 2026. (Photo by Jung Yeon-je / AFP via Getty Images)

Kimberly Birrell of Australia hits a return against Anna Bondar of Hungary during their women's singles semi-final match at the Korea Open tennis championships in Seoul on September 26, 2026. (Photo by Jung Yeon-je / AFP via Getty Images)

Kimberly Birrell of Australia hits a return against Anna Bondar of Hungary during their women's singles semi-final match at the Korea Open tennis championships in Seoul on September 26, 2026. (Photo by Jung Yeon-je / AFP via Getty Images)

Kimberly Birrell of Australia serves against Anna Bondar of Hungary during their women's singles semi-final match at the Korea Open tennis championships in Seoul on September 26, 2026. (Photo by Jung Yeon-je / AFP via Getty Images)

Anna Bondar of Hungary reacts after missing a point against Kimberly Birrell of Australia during their women's singles semi-final match at the Korea Open tennis championships in Seoul on September 26, 2026. (Photo by Jung Yeon-je / AFP via Getty Images)

Anna Bondar of Hungary hits a return against Kimberly Birrell of Australia during their women's singles semi-final match at the Korea Open tennis championships in Seoul on September 26, 2026. (Photo by Jung Yeon-je / AFP via Getty Images)