France's Hugo Gaston hits a return to Russia's Andrey Rublev during their men's singles quarter-final match at the Hangzhou Open tennis tournament in Hangzhou, in China's eastern Zhejiang province on September 27, 2026. (Photo by AFP via Getty Images) / China OUT

France's Hugo Gaston serves to Russia's Andrey Rublev during their men's singles quarter-final match at the Hangzhou Open tennis tournament in Hangzhou, in China's eastern Zhejiang province on September 27, 2026. (Photo by AFP via Getty Images) / China OUT

France's Hugo Gaston hits a return to Russia's Andrey Rublev during their men's singles quarter-final match at the Hangzhou Open tennis tournament in Hangzhou, in China's eastern Zhejiang province on September 27, 2026. (Photo by AFP via Getty Images) / China OUT

Russia's Andrey Rublev hits a return to France's Hugo Gaston during their men's singles quarter-final match at the Hangzhou Open tennis tournament in Hangzhou, in China's eastern Zhejiang province on September 27, 2026. (Photo by AFP via Getty Images) / China OUT

Russia's Andrey Rublev serves to France's Hugo Gaston during their men's singles quarter-final match at the Hangzhou Open tennis tournament in Hangzhou, in China's eastern Zhejiang province on September 27, 2026. (Photo by AFP via Getty Images) / China OUT

Russia's Andrey Rublev hits a return to France's Hugo Gaston during their men's singles quarter-final match at the Hangzhou Open tennis tournament in Hangzhou, in China's eastern Zhejiang province on September 27, 2026. (Photo by AFP via Getty Images) / China OUT

Russia's Andrey Rublev hits a return to France's Hugo Gaston during their men's singles quarter-final match at the Hangzhou Open tennis tournament in Hangzhou, in China's eastern Zhejiang province on September 27, 2026. (Photo by AFP via Getty Images) / China OUT

Kimberly Birrell (R) of Australia hugs Maya Joint of Australia at the end of the women's singles final match at the Korea Open tennis championships in Seoul on September 27, 2026. (Photo by Jung Yeon-je / AFP via Getty Images)