SHANGHAI, CHINA - OCTOBER 12: Novak Djokovic of Serbia reacts in the Men's Singles semifinals match against Taylor Fritz of the United States on Day 13 of 2024 Shanghai Rolex Masters at Qi Zhong Tennis Centre on October 12, 2024 in Shanghai, China. (Photo by Lintao Zhang/Getty Images)

SHANGHAI, CHINA - OCTOBER 12: Novak Djokovic of Serbia reacts in the Men's Singles semifinals match against Taylor Fritz of the United States on Day 13 of 2024 Shanghai Rolex Masters at Qi Zhong Tennis Centre on October 12, 2024 in Shanghai, China. (Photo by Lintao Zhang/Getty Images)

SHANGHAI, CHINA - OCTOBER 12: Novak Djokovic of Serbia reacts in the Men's Singles semifinals match against Taylor Fritz of the United States on Day 13 of 2024 Shanghai Rolex Masters at Qi Zhong Tennis Centre on October 12, 2024 in Shanghai, China. (Photo by Lintao Zhang/Getty Images)

SHANGHAI, CHINA - OCTOBER 12: Novak Djokovic of Serbia reacts in the Men's Singles semifinals match against Taylor Fritz of the United States on Day 13 of 2024 Shanghai Rolex Masters at Qi Zhong Tennis Centre on October 12, 2024 in Shanghai, China. (Photo by Lintao Zhang/Getty Images)

SHANGHAI, CHINA - OCTOBER 12: Novak Djokovic of Serbia returns a shot in the Men's Singles semifinals match against Taylor Fritz of the United States on Day 13 of 2024 Shanghai Rolex Masters at Qi Zhong Tennis Centre on October 12, 2024 in Shanghai, China. (Photo by Lintao Zhang/Getty Images)

SHANGHAI, CHINA - OCTOBER 12: Novak Djokovic of Serbia returns a shot in the Men's Singles semifinals match against Taylor Fritz of the United States on Day 13 of 2024 Shanghai Rolex Masters at Qi Zhong Tennis Centre on October 12, 2024 in Shanghai, China. (Photo by Lintao Zhang/Getty Images)

SHANGHAI, CHINA - OCTOBER 12: Novak Djokovic of Serbia returns a shot in the Men's Singles semifinals match against Taylor Fritz of the United States on Day 13 of 2024 Shanghai Rolex Masters at Qi Zhong Tennis Centre on October 12, 2024 in Shanghai, China. (Photo by Lintao Zhang/Getty Images)

SHANGHAI, CHINA - OCTOBER 12: Novak Djokovic of Serbia returns a shot in the Men's Singles semifinals match against Taylor Fritz of the United States on Day 13 of 2024 Shanghai Rolex Masters at Qi Zhong Tennis Centre on October 12, 2024 in Shanghai, China. (Photo by Lintao Zhang/Getty Images)