SHANGHAI, CHINA - OCTOBER 13: Karen Khachanov returns a shot in the Men's Singles Fourth Round match against Alex De Minaur of Australia on Day seven of 2026 Rolex Shanghai Masters at Qi Zhong Tennis Centre on October 13, 2026 in Shanghai, China. (Photo by Shi Tang/Getty Images)

SHANGHAI, CHINA - OCTOBER 13: Karen Khachanov returns a shot in the Men's Singles Fourth Round match against Alex De Minaur of Australia on Day seven of 2026 Rolex Shanghai Masters at Qi Zhong Tennis Centre on October 13, 2026 in Shanghai, China. (Photo by Shi Tang/Getty Images)

SHANGHAI, CHINA - OCTOBER 13: Karen Khachanov returns a shot in the Men's Singles Fourth Round match against Alex De Minaur of Australia on Day seven of 2026 Rolex Shanghai Masters at Qi Zhong Tennis Centre on October 13, 2026 in Shanghai, China. (Photo by Shi Tang/Getty Images)

SHANGHAI, CHINA - OCTOBER 13: Alex De Minaur of Australia returns a shot in the Men's Singles Fourth Round match against Karen Khachanov on Day seven of 2026 Rolex Shanghai Masters at Qi Zhong Tennis Centre on October 13, 2026 in Shanghai, China. (Photo by Shi Tang/Getty Images)

SHANGHAI, CHINA - OCTOBER 13: Alex De Minaur of Australia celebrates the victory in the Men's Singles Fourth Round match against Karen Khachanov on Day seven of 2026 Rolex Shanghai Masters at Qi Zhong Tennis Centre on October 13, 2026 in Shanghai, China. (Photo by Shi Tang/Getty Images)

SHANGHAI, CHINA - OCTOBER 13: Alex De Minaur of Australia returns a shot in the Men's Singles Fourth Round match against Karen Khachanov on Day seven of 2026 Rolex Shanghai Masters at Qi Zhong Tennis Centre on October 13, 2026 in Shanghai, China. (Photo by Shi Tang/Getty Images)

SHANGHAI, CHINA - OCTOBER 13: Karen Khachanov returns a shot in the Men's Singles Fourth Round match against Alex De Minaur of Australia on Day seven of 2026 Rolex Shanghai Masters at Qi Zhong Tennis Centre on October 13, 2026 in Shanghai, China. (Photo by Shi Tang/Getty Images)

WUHAN, CHINA - OCTOBER 13: Liudmila Samsonova celebrates against Katerina Siniakova of Czech Republic on day two of Wuhan Open at Optics Valley International Tennis Center on October 13, 2026 in Wuhan, China. (Photo by Di Yin/Getty Images)