Russia's Karen Khachanov hits a return to Canada's Felix Auger-Aliassime during their men's singles first round at the China Open tennis tournament in Beijing on September 30, 2026. (Photo by WANG Zhao / AFP via Getty Images)

Russia's Karen Khachanov reacts after a point during the men's singles first round against Canada's Felix Auger-Aliassime at the China Open tennis tournament in Beijing on September 30, 2026. (Photo by WANG Zhao / AFP via Getty Images)

BEIJING, CHINA - SEPTEMBER 30: Karen Khachanov reacts against Felix Auger Aliassime of Canada in the Men's singles first round on day one of China Open at the National Tennis Center on September 30, 2026 in Beijing, China. (Photo by Lintao Zhang/Getty Images)

BEIJING, CHINA - SEPTEMBER 30: Caty McNally of The United States returns a shot against Dayana Yastremska of Ukraine during the Women's single first round match on day one of China Open at the National Tennis Center on September 30, 2026 in Beijing, China. (Photo by Emmanuel Wong/Getty Images)

Russia's Karen Khachanov hits a return to Canada's Felix Auger-Aliassime during their men's singles first round at the China Open tennis tournament in Beijing on September 30, 2026. (Photo by WANG Zhao / AFP via Getty Images)

Russia's Karen Khachanov hits a return to Canada's Felix Auger-Aliassime during their men's singles first round at the China Open tennis tournament in Beijing on September 30, 2026. (Photo by WANG Zhao / AFP via Getty Images)

BEIJING, CHINA - SEPTEMBER 30: Caty McNally of The United States returns a shot against Dayana Yastremska of Ukraine during the Women's single first round match on day one of China Open at the National Tennis Center on September 30, 2026 in Beijing, China. (Photo by Emmanuel Wong/Getty Images)

Russia's Karen Khachanov hits a return to Canada's Felix Auger-Aliassime during their men's singles first round at the China Open tennis tournament in Beijing on September 30, 2026. (Photo by WANG Zhao / AFP via Getty Images)