Russia's Daniil Medvedev hits a return to USA's Tommy Paul during their men's singles quarter-final match at the Shanghai Masters tennis tournament in Shanghai on October 16, 2026. (Photo by Hector RETAMAL / AFP via Getty Images)

Russia's Daniil Medvedev (R) shakes hands with USA's Tommy Paul after winning their men's singles quarter-final match at the Shanghai Masters tennis tournament in Shanghai on October 16, 2026. (Photo by Hector RETAMAL / AFP via Getty Images)

Russia's Daniil Medvedev hits a return to USA's Tommy Paul during their men's singles quarter-final match at the Shanghai Masters tennis tournament in Shanghai on October 16, 2026. (Photo by Hector RETAMAL / AFP via Getty Images)

Youths play soccer at a beach as haze shrouds parts of Banda Aceh on October 16, 2026. . Toxic haze has covered parts of Indonesia, Malaysia and Singapore for weeks as Jakarta struggles to contain fires that have scorched large tracts of Borneo and Sumatra, with the smoke drifting across the region. (Photo by CHAIDEER MAHYUDDIN / AFP via Getty Images)

SHANGHAI, CHINA - OCTOBER 16: Daniil Medvedev reacts in the Men's Singles Quarter Finals match against Tommy Paul of the United States on Day ten of 2026 Rolex Shanghai Masters at Qi Zhong Tennis Centre on October 16, 2026 in Shanghai, China. (Photo by Shi Tang/Getty Images)

SHANGHAI, CHINA - OCTOBER 16: Hong Kong singer Eason Chan watches the Men's Singles Quarter Finals match between Daniil Medvedev and Tommy Paul of the United States on Day ten of 2026 Rolex Shanghai Masters at Qi Zhong Tennis Centre on October 16, 2026 in Shanghai, China. (Photo by Shi Tang/Getty Images)

SHANGHAI, CHINA - OCTOBER 16: Hong Kong singer Eason Chan watches the Men's Singles Quarter Finals match between Daniil Medvedev and Tommy Paul of the United States on Day ten of 2026 Rolex Shanghai Masters at Qi Zhong Tennis Centre on October 16, 2026 in Shanghai, China. (Photo by Shi Tang/Getty Images)

SHANGHAI, CHINA - OCTOBER 16: Hong Kong singer Eason Chan watches the Men's Singles Quarter Finals match between Daniil Medvedev and Tommy Paul of the United States on Day ten of 2026 Rolex Shanghai Masters at Qi Zhong Tennis Centre on October 16, 2026 in Shanghai, China. (Photo by Shi Tang/Getty Images)