SHANGHAI, CHINA - OCTOBER 07: Stan Wawrinka of Switzerland reacts in the Men's Singles second round match Flavio Cobolli of Italy during the on Day 8 of 2024 Shanghai Rolex Masters at Qi Zhong Tennis Centre on October 07, 2024 in Shanghai, China. (Photo by Lintao Zhang/Getty Images)

SHANGHAI, CHINA - OCTOBER 07: Stan Wawrinka of Switzerland reacts in the Men's Singles second round match Flavio Cobolli of Italy during the on Day 8 of 2024 Shanghai Rolex Masters at Qi Zhong Tennis Centre on October 07, 2024 in Shanghai, China. (Photo by Lintao Zhang/Getty Images)

SHANGHAI, CHINA - OCTOBER 07: Stan Wawrinka of Switzerland reacts in the Men's Singles second round match Flavio Cobolli of Italy during the on Day 8 of 2024 Shanghai Rolex Masters at Qi Zhong Tennis Centre on October 07, 2024 in Shanghai, China. (Photo by Lintao Zhang/Getty Images)

SHANGHAI, CHINA - OCTOBER 07: Flavio Cobolli of Italy reacts in the Men's Singles second round match Stan Wawrinka of Switzerland during the on Day 8 of 2024 Shanghai Rolex Masters at Qi Zhong Tennis Centre on October 07, 2024 in Shanghai, China. (Photo by Lintao Zhang/Getty Images)

SHANGHAI, CHINA - OCTOBER 07: Flavio Cobolli of Italy reacts in the Men's Singles second round match Stan Wawrinka of Switzerland during the on Day 8 of 2024 Shanghai Rolex Masters at Qi Zhong Tennis Centre on October 07, 2024 in Shanghai, China. (Photo by Lintao Zhang/Getty Images)

SHANGHAI, CHINA - OCTOBER 07: Flavio Cobolli of Italy plays a shoot in the Men's Singles second round match against Stan Wawrinka of Switzerland during the on Day 8 of 2024 Shanghai Rolex Masters at Qi Zhong Tennis Centre on October 07, 2024 in Shanghai, China. (Photo by Lintao Zhang/Getty Images)

SHANGHAI, CHINA - OCTOBER 07: Flavio Cobolli of Italy plays a shoot in the Men's Singles second round match against Stan Wawrinka of Switzerland during the on Day 8 of 2024 Shanghai Rolex Masters at Qi Zhong Tennis Centre on October 07, 2024 in Shanghai, China. (Photo by Lintao Zhang/Getty Images)

SHANGHAI, CHINA - OCTOBER 07: Flavio Cobolli of Italy plays a shoot in the Men's Singles second round match against Stan Wawrinka of Switzerland during the on Day 8 of 2024 Shanghai Rolex Masters at Qi Zhong Tennis Centre on October 07, 2024 in Shanghai, China. (Photo by Lintao Zhang/Getty Images)