Argentina's Sebastian Baez hits a return to China's Shang Juncheng during their men's singles match at the China Open tennis tournament in Beijing on October 1, 2026. (Photo by Pedro PARDO / AFP via Getty Images)

Argentina's Sebastian Baez hits a return to China's Shang Juncheng during their men's singles match at the China Open tennis tournament in Beijing on October 1, 2026. (Photo by Pedro PARDO / AFP via Getty Images)

China's Shang Juncheng hits a return to Argentina's Sebastian Baez during their men's singles match at the China Open tennis tournament in Beijing on October 1, 2026. (Photo by Pedro PARDO / AFP via Getty Images)

Spain's Carlos Alcaraz plays a shot to USA's Alex Michelsen during their men's singles tennis match at the ATP Tour Japan Open Tennis Championships at the Ariake Tennis Forest Park in Tokyo on October 1, 2026. (Photo by Rie KIKUCHI / AFP via Getty Images)

USA's Alex Michelsen plays a shot to Spain's Carlos Alcaraz during their men's singles tennis match at the ATP Tour Japan Open Tennis Championships at the Ariake Tennis Forest Park in Tokyo on October 1, 2026. (Photo by Rie KIKUCHI / AFP via Getty Images)

USA's Alex Michelsen plays a shot to Spain's Carlos Alcaraz during their men's singles tennis match at the ATP Tour Japan Open Tennis Championships at the Ariake Tennis Forest Park in Tokyo on October 1, 2026. (Photo by Rie KIKUCHI / AFP via Getty Images)

BEIJING, CHINA - OCTOBER 01: Flavio Cobolli of Italy returns a shot against Roman Safiullin during the Men's Singles first round match on day two of China Open at the National Tennis Center on October 01, 2026 in Beijing, China. (Photo by Emmanuel Wong/Getty Images)

BEIJING, CHINA - OCTOBER 01: Flavio Cobolli of Italy returns a shot against Roman Safiullin during the Men's Singles first round match on day two of China Open at the National Tennis Center on October 01, 2026 in Beijing, China. (Photo by Emmanuel Wong/Getty Images)