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 celebrates winning the Men's 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 Lintao Zhang/Getty Images)

BEIJING, CHINA - SEPTEMBER 30: Novak Djokovic of Serbia celebrates winning the Men's 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 Lintao Zhang/Getty Images)

BEIJING, CHINA - SEPTEMBER 30: Novak Djokovic of Serbia celebrates winning the Men's 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 Lintao Zhang/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)

Serbia's Novak Djokovic hits a return to Portugal's Nuno Borges during their men's singles first round match at the China Open tennis tournament in Beijing on September 30, 2026. (Photo by Pedro PARDO / AFP via Getty Images)

Serbia's Novak Djokovic hits a return to Portugal's Nuno Borges during their men's singles first round match at the China Open tennis tournament in Beijing on September 30, 2026. (Photo by Pedro PARDO / AFP via Getty Images)