Canada's Felix Auger-Aliassime hits a return to Russia's Karen Khachanov 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: Dayana Yastremska of Ukraine returns a shot against Caty McNally of The United States 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)

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: Dayana Yastremska of Ukraine returns a shot against Caty McNally of The United States 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)

BEIJING, CHINA - SEPTEMBER 30: Dayana Yastremska of Ukraine returns a shot against Caty McNally of The United States 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)

BEIJING, CHINA - SEPTEMBER 30: Dayana Yastremska of Ukraine returns a shot against Caty McNally of The United States 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)

BEIJING, CHINA - SEPTEMBER 30: Dayana Yastremska of Ukraine returns a shot against Caty McNally of The United States 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)

BEIJING, CHINA - SEPTEMBER 30: Dayana Yastremska of Ukraine returns a shot against Caty McNally of The United States 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)