SHANGHAI, CHINA - OCTOBER 04: Stefanos Tsitsipas of Greece returns a shot in the Men's singles 2nd Round match against Kei Nishikori of Japan on Day 5 of 2024 Shanghai Rolex Masters at Qi Zhong Tennis Centre on October 04, 2024 in Shanghai, China. (Photo by Zhe Ji/Getty Images)

SHANGHAI, CHINA - OCTOBER 04: Kei Nishikori of Japan returns a shot in the Men's singles 2nd Round match against Stefanos Tsitsipas of Greece on Day 5 of 2024 Shanghai Rolex Masters at Qi Zhong Tennis Centre on October 04, 2024 in Shanghai, China. (Photo by Zhe Ji/Getty Images)

SHANGHAI, CHINA - OCTOBER 04: Kei Nishikori of Japan returns a shot in the Men's singles 2nd Round match against Stefanos Tsitsipas of Greece on Day 5 of 2024 Shanghai Rolex Masters at Qi Zhong Tennis Centre on October 04, 2024 in Shanghai, China. (Photo by Zhe Ji/Getty Images)

SHANGHAI, CHINA - OCTOBER 04: Kei Nishikori of Japan returns a shot in the Men's singles 2nd Round match against Stefanos Tsitsipas of Greece on Day 5 of 2024 Shanghai Rolex Masters at Qi Zhong Tennis Centre on October 04, 2024 in Shanghai, China. (Photo by Zhe Ji/Getty Images)

SHANGHAI, CHINA - OCTOBER 04: Kei Nishikori of Japan returns a shot in the Men's singles 2nd Round match against Stefanos Tsitsipas of Greece on Day 5 of 2024 Shanghai Rolex Masters at Qi Zhong Tennis Centre on October 04, 2024 in Shanghai, China. (Photo by Zhe Ji/Getty Images)

SHANGHAI, CHINA - OCTOBER 04: Stefanos Tsitsipas of Greece returns a shot in the Men's singles 2nd Round match against Kei Nishikori of Japan on Day 5 of 2024 Shanghai Rolex Masters at Qi Zhong Tennis Centre on October 04, 2024 in Shanghai, China. (Photo by Zhe Ji/Getty Images)

SHANGHAI, CHINA - OCTOBER 04: Kei Nishikori of Japan returns a shot in the Men's singles 2nd Round match against Stefanos Tsitsipas of Greece on Day 5 of 2024 Shanghai Rolex Masters at Qi Zhong Tennis Centre on October 04, 2024 in Shanghai, China. (Photo by Zhe Ji/Getty Images)

SHANGHAI, CHINA - OCTOBER 04: Stefanos Tsitsipas of Greece reacts in the Men's singles 2nd Round match against Kei Nishikori of Japan on Day 5 of 2024 Shanghai Rolex Masters at Qi Zhong Tennis Centre on October 04, 2024 in Shanghai, China. (Photo by Zhe Ji/Getty Images)