SHANGHAI, CHINA - OCTOBER 16: Former tennis player Roger Federer waves to the fans during the 'Roger & Friends Celebrity Doubles' on day ten of 2026 Rolex Shanghai Masters at Qi Zhong Tennis Centre on October 16, 2026 in Shanghai, China. (Photo by Lintao Zhang/Getty Images)

SHANGHAI, CHINA - OCTOBER 16: Roger Federer of Switzerland reacts during the 'Roger & Friends Celebrity Doubles' on Day ten of 2026 Rolex Shanghai Masters at Qi Zhong Tennis Centre on October 16, 2026 in Shanghai, China. (Photo by Shi Tang/Getty Images)

SHANGHAI, CHINA - OCTOBER 16: Roger Federer of Switzerland reacts during the 'Roger & Friends Celebrity Doubles' on Day ten of 2026 Rolex Shanghai Masters at Qi Zhong Tennis Centre on October 16, 2026 in Shanghai, China. (Photo by Shi Tang/Getty Images)

SHANGHAI, CHINA - OCTOBER 16: (L-R) Li Na of China, Dinara Safina, Roger Federer of Switzerland and Marat Safin pose for a photo during the 'Roger & Friends Celebrity Doubles' on Day ten of 2026 Rolex Shanghai Masters at Qi Zhong Tennis Centre on October 16, 2026 in Shanghai, China. (Photo by Shi Tang/Getty Images)

SHANGHAI, CHINA - OCTOBER 16: Roger Federer of Switzerland waves to the fans during the 'Roger & Friends Celebrity Doubles' on Day ten of 2026 Rolex Shanghai Masters at Qi Zhong Tennis Centre on October 16, 2026 in Shanghai, China. (Photo by Shi Tang/Getty Images)

SHANGHAI, CHINA - OCTOBER 16: Roger Federer of Switzerland reacts during the 'Roger & Friends Celebrity Doubles' on Day ten of 2026 Rolex Shanghai Masters at Qi Zhong Tennis Centre on October 16, 2026 in Shanghai, China. (Photo by Shi Tang/Getty Images)

SHANGHAI, CHINA - OCTOBER 16: Li Na of China and Roger Federer of Switzerland react during the 'Roger & Friends Celebrity Doubles' on Day ten of 2026 Rolex Shanghai Masters at Qi Zhong Tennis Centre on October 16, 2026 in Shanghai, China. (Photo by Shi Tang/Getty Images)

SHANGHAI, CHINA - OCTOBER 16: Roger Federer of Switzerland reacts during the 'Roger & Friends Celebrity Doubles' on Day ten of 2026 Rolex Shanghai Masters at Qi Zhong Tennis Centre on October 16, 2026 in Shanghai, China. (Photo by Shi Tang/Getty Images)