BEIJING, CHINA - SEPTEMBER 30: Alexander Zverev of Germany attends the Opening Ceremony 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: Novak Djokovic of Serbia walks onto the court before the Men's Singles first round match against Nuno Borges of Portugal 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: Novak Djokovic of Serbia reacts before the Men's Singles first round match against Nuno Borges of Portugal 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: Novak Djokovic of Serbia reacts during the Men's Singles first round match against Nuno Borges of Portugal 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: Novak Djokovic of Serbia reacts during the Men's Singles first round match against Nuno Borges of Portugal 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: Novak Djokovic of Serbia returns a shot against Nuno Borges of Portugal during the Men's Singles 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: Novak Djokovic of Serbia returns a shot against Nuno Borges of Portugal during the Men's Singles 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: Novak Djokovic of Serbia returns a shot against Nuno Borges of Portugal during the Men's Singles 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)