BEIJING, CHINA - SEPTEMBER 30: Karen Khachanov plays a forehand 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: Karen Khachanov plays a shoot 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: Karen Khachanov plays a shoot 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: Maria Timofeeva of Uzbekistan receives medical treatment during the Women's single first round match against Darja Vidmanova of Czech Republic on day one of China Open at the National Tennis Center on September 30, 2026 in Beijing, China. (Photo by Emmanuel Wong/Getty Images)

BEIJING, CHINA - SEPTEMBER 30: Karen Khachanov celebrates after winning the Men's singles first round match against Felix Auger Aliassime of Canada 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: Karen Khachanov celebrates after winning the Men's singles first round match against Felix Auger Aliassime of Canada 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: Maria Timofeeva of Uzbekistan receives medical treatment during the Women's single first round match against Darja Vidmanova of Czech Republic on day one of China Open at the National Tennis Center on September 30, 2026 in Beijing, China. (Photo by Emmanuel Wong/Getty Images)

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