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BEIJING — Novak Djokovic rolled back the years to oust Alexander Zverev from the China Open on Sunday, beating the top seed 4-6, 6-4, 6-4 to set up a blockbuster semi-final with Daniil Medvedev.
The 39-year-old Serbian electrified a packed crowd in Beijing, where he extended an astonishing winning streak to 32 matches and is a firm fan favourite.
He got off to a poor start, double-faulting twice in the first game to help Zverev, a decade his junior, break serve instantly.
Boos filled the stadium soon afterwards when the umpire agreed to replay a point Djokovic had won, after Zverev complained about a flicker in the LED panels during play.
The German saw out the first set from there, but a valiant Djokovic roared back to seal the second with a cross-court winner to break serve and force a decider.

Serbia's Novak Djokovic (R) shakes hands with Germany's Alexander Zverev after their men's singles quarter-final at the China Open tennis tournament in Beijing on October 4, 2026.
The 24-time Grand Slam champion faced 19 Zverev aces throughout the match but held steady on his own serve to go 5-4 ahead in the final set.
He then broke the world number two to take the set and the match, seemingly defying his recent physical difficulties with victory in a gruelling two hours and 34 minutes.
Djokovic will face Medvedev in the final four after the former world number one dispatched Francisco Cerundolo 7-6 (7/4), 6-3.
Poland's Hubert Hurkacz also advanced to the semi-finals after beating Karen Khachanov, and will play Australia's Alex de Minaur, who survived a gruelling test to beat Andrey Rublev 1-6, 6-2, 6-3.
Sabalenka swept out
Aryna Sabalenka was swatted aside in straight sets in the third round, leaving the women's draw without its top two seeds.