SHANGHAI, CHINA - OCTOBER 10: Sebastian Baez of Argentina reacts in the Men's Singles Second Round match against Valentin Vacherot of Monaco on Day four of 2026 Rolex Shanghai Masters at Qi Zhong Tennis Centre on October 10, 2026 in Shanghai, China. (Photo by Shi Tang/Getty Images)

SHANGHAI, CHINA - OCTOBER 10: Valentin Vacherot of Monaco reacts in the Men's Singles Second Round match against Sebastian Baez of Argentina on Day four of 2026 Rolex Shanghai Masters at Qi Zhong Tennis Centre on October 10, 2026 in Shanghai, China. (Photo by Shi Tang/Getty Images)

SHANGHAI, CHINA - OCTOBER 10: Valentin Vacherot of Monaco returns a shot in the Men's Singles Second Round match against Sebastian Baez of Argentina on Day four of 2026 Rolex Shanghai Masters at Qi Zhong Tennis Centre on October 10, 2026 in Shanghai, China. (Photo by Shi Tang/Getty Images)

SHANGHAI, CHINA - OCTOBER 10: Valentin Vacherot of Monaco returns a shot in the Men's Singles Second Round match against Sebastian Baez of Argentina on Day four of 2026 Rolex Shanghai Masters at Qi Zhong Tennis Centre on October 10, 2026 in Shanghai, China. (Photo by Shi Tang/Getty Images)

SHANGHAI, CHINA - OCTOBER 10: Sebastian Baez of Argentina returns a shot in the Men's Singles Second Round match against Valentin Vacherot of Monaco on Day four of 2026 Rolex Shanghai Masters at Qi Zhong Tennis Centre on October 10, 2026 in Shanghai, China. (Photo by Shi Tang/Getty Images)

SHANGHAI, CHINA - OCTOBER 10: Valentin Vacherot of Monaco reacts in the Men's Singles Second Round match against Sebastian Baez of Argentina on Day four of 2026 Rolex Shanghai Masters at Qi Zhong Tennis Centre on October 10, 2026 in Shanghai, China. (Photo by Shi Tang/Getty Images)

SHANGHAI, CHINA - OCTOBER 10: Valentin Vacherot of Monaco returns a shot in the Men's Singles Second Round match against Sebastian Baez of Argentina on Day four of 2026 Rolex Shanghai Masters at Qi Zhong Tennis Centre on October 10, 2026 in Shanghai, China. (Photo by Shi Tang/Getty Images)

SHANGHAI, CHINA - OCTOBER 10: Valentin Vacherot of Monaco reacts in the Men's Singles Second Round match against Sebastian Baez of Argentina on Day four of 2026 Rolex Shanghai Masters at Qi Zhong Tennis Centre on October 10, 2026 in Shanghai, China. (Photo by Shi Tang/Getty Images)