Alexander Zverev, of Germany, returns a ball to Novak Djokovic, of Serbia, during the men's singles quarterfinals match at the China Open tennis tournament in Beijing, Sunday, Oct. 4, 2026. (AP Photo/Achmad Ibrahim)
(AP Photo/Achmad Ibrahim)
Alexander Zverev, of Germany, returns a ball to Shang Juncheng, of China, during the second round of the men's singles match at the China Open tennis tournament in Beijing, Saturday, Oct. 3, 2026. (AP Photo/Ng Han Guan)
(AP Photo/Ng Han Guan)
Alexander Zverev, of Germany, reacts during the men's singles quarterfinals match against Novak Djokovic, of Serbia, at the China Open tennis tournament in Beijing, Sunday, Oct. 4, 2026. (AP Photo/Achmad Ibrahim)
(AP Photo/Achmad Ibrahim)
Alexander Zverev, of Germany, returns a ball to Novak Djokovic, of Serbia, during the men's singles quarterfinals match at the China Open tennis tournament in Beijing, Sunday, Oct. 4, 2026. (AP Photo/Achmad Ibrahim)
(AP Photo/Achmad Ibrahim)
Alexander Zverev of Germany celebrates his victory against Cameron Norrie of Britain during their men's singles match at the China Open tennis tournament in Beijing, Thursday, Oct. 1, 2026. (AP Photo/Achmad Ibrahim)
(AP Photo/Achmad Ibrahim)
1 / 5
China Open Tennis
Alexander Zverev, of Germany, returns a ball to Novak Djokovic, of Serbia, during the men's singles quarterfinals match at the China Open tennis tournament in Beijing, Sunday, Oct. 4, 2026. (AP Photo/Achmad Ibrahim)
(AP Photo/Achmad Ibrahim)
2 / 5
China Open Tennis
Alexander Zverev, of Germany, returns a ball to Shang Juncheng, of China, during the second round of the men's singles match at the China Open tennis tournament in Beijing, Saturday, Oct. 3, 2026. (AP Photo/Ng Han Guan)
(AP Photo/Ng Han Guan)
3 / 5
China Open Tennis
Alexander Zverev, of Germany, reacts during the men's singles quarterfinals match against Novak Djokovic, of Serbia, at the China Open tennis tournament in Beijing, Sunday, Oct. 4, 2026. (AP Photo/Achmad Ibrahim)
(AP Photo/Achmad Ibrahim)
4 / 5
China Open Tennis
Alexander Zverev, of Germany, returns a ball to Novak Djokovic, of Serbia, during the men's singles quarterfinals match at the China Open tennis tournament in Beijing, Sunday, Oct. 4, 2026. (AP Photo/Achmad Ibrahim)
(AP Photo/Achmad Ibrahim)
5 / 5
China Open Tennis
Alexander Zverev of Germany celebrates his victory against Cameron Norrie of Britain during their men's singles match at the China Open tennis tournament in Beijing, Thursday, Oct. 1, 2026. (AP Photo/Achmad Ibrahim)
(AP Photo/Achmad Ibrahim)