Spectators watch the tennis match between Czech Republic's Tomas Machac (R) and China's Zhizhen Zhang (L) during their men's singles match at the Shanghai Masters tennis tournament in Shanghai on October 7, 2026. (Photo by Hector RETAMAL / AFP via Getty Images)

USA's Coco Gauff hits a return to Belgium's Elise Mertens during their women's singles match at the China Open tennis tournament in Beijing on October 7, 2026. (Photo by Adek BERRY / AFP via Getty Images)

SHANGHAI, CHINA - OCTOBER 07: Taiwan singer Jay Chou watches the Men's Singles First Round match against between Zhizhen Zhang of China and Tomas Machac of Czechia on Day one of 2026 Rolex Shanghai Masters at Qi Zhong Tennis Centre on October 07, 2026 in Shanghai, China. (Photo by Shi Tang/Getty Images)

USA's Coco Gauff hits a return to Belgium's Elise Mertens during their women's singles match at the China Open tennis tournament in Beijing on October 7, 2026. (Photo by Adek BERRY / AFP via Getty Images)

USA's Coco Gauff hits a return to Belgium's Elise Mertens during their women's singles match at the China Open tennis tournament in Beijing on October 7, 2026. (Photo by Adek BERRY / AFP via Getty Images)

SHANGHAI, CHINA - OCTOBER 07: Zhizhen Zhang of China returns a shot in the Men's Singles First Round match against Tomas Machac of Czechia on Day one of 2026 Rolex Shanghai Masters at Qi Zhong Tennis Centre on October 07, 2026 in Shanghai, China. (Photo by Shi Tang/Getty Images)

SHANGHAI, CHINA - OCTOBER 07: Zhizhen Zhang of China returns a shot in the Men's Singles First Round match against Tomas Machac of Czechia on Day one of 2026 Rolex Shanghai Masters at Qi Zhong Tennis Centre on October 07, 2026 in Shanghai, China. (Photo by Shi Tang/Getty Images)

SHANGHAI, CHINA - OCTOBER 07: Zhizhen Zhang of China returns a shot in the Men's Singles First Round match against Tomas Machac of Czechia on Day one of 2026 Rolex Shanghai Masters at Qi Zhong Tennis Centre on October 07, 2026 in Shanghai, China. (Photo by Shi Tang/Getty Images)