SHANGHAI, CHINA - OCTOBER 03: Christopher O'Connell of Australia returns a shot in the 1st Round match against Matteo Berrettini of Italy on Day 4 of 2024 Shanghai Rolex Masters at Qi Zhong Tennis Centre on October 03, 2024 in Shanghai, China. (Photo by Zhe Ji/Getty Images)

SHANGHAI, CHINA - OCTOBER 03: Christopher O'Connell of Australia returns a shot in the 1st Round match against Matteo Berrettini of Italy on Day 4 of 2024 Shanghai Rolex Masters at Qi Zhong Tennis Centre on October 03, 2024 in Shanghai, China. (Photo by Zhe Ji/Getty Images)

SHANGHAI, CHINA - OCTOBER 03: Rinky Hijikata of Australia returns a shot in the 1st Round match against Miomir Kecmanovic of Serbia on Day 4 of 2024 Shanghai Rolex Masters at Qi Zhong Tennis Centre on October 03, 2024 in Shanghai, China. (Photo by Zhe Ji/Getty Images)

SHANGHAI, CHINA - OCTOBER 03: Rinky Hijikata of Australia reacts in the 1st Round match against Miomir Kecmanovic of Serbia on Day 4 of 2024 Shanghai Rolex Masters at Qi Zhong Tennis Centre on October 03, 2024 in Shanghai, China. (Photo by Zhe Ji/Getty Images)

SHANGHAI, CHINA - OCTOBER 03: Rinky Hijikata of Australia returns a shot in the 1st Round match against Miomir Kecmanovic of Serbia on Day 4 of 2024 Shanghai Rolex Masters at Qi Zhong Tennis Centre on October 03, 2024 in Shanghai, China. (Photo by Zhe Ji/Getty Images)

SHANGHAI, CHINA - OCTOBER 03: Rinky Hijikata of Australia returns a shot in the 1st Round match against Miomir Kecmanovic of Serbia on Day 4 of 2024 Shanghai Rolex Masters at Qi Zhong Tennis Centre on October 03, 2024 in Shanghai, China. (Photo by Zhe Ji/Getty Images)

SHANGHAI, CHINA - OCTOBER 03: Rinky Hijikata of Australia returns a shot in the 1st Round match against Miomir Kecmanovic of Serbia on Day 4 of 2024 Shanghai Rolex Masters at Qi Zhong Tennis Centre on October 03, 2024 in Shanghai, China. (Photo by Zhe Ji/Getty Images)

SHANGHAI, CHINA - OCTOBER 03: Rinky Hijikata of Australia returns a shot in the 1st Round match against Miomir Kecmanovic of Serbia on Day 4 of 2024 Shanghai Rolex Masters at Qi Zhong Tennis Centre on October 03, 2024 in Shanghai, China. (Photo by Zhe Ji/Getty Images)