Novak Djokovic turned back the clock to produce a sensational come-from-behind win against top seed and fresh-crowned US Open winner Alexander Zverev, winning 4-6, 6-4, 6-4 to reach the China Open semifinals and extend his incredible unbeaten run in the ATP 500 tournament. But the win did not come without tense VAR drama that saw the Serb lose his cool with both the umpire and Zverev.
The incident happened at the start of the match, after Djokovic was broken in the opening game. Like that, it changed there. He played after the serve. It doesn’t make any sense. This must be the most stupid change of rules I’ve ever heard in my life. It makes no sense.
With the German serving at 30-15 in the opening game, Djokovic won the point, but Zverev immediately walked up to the umpire, complaining that the LED advertising signage had gone dark when he hit the return. We could play a 30-shot rally and he could lose the point and say: ‘OK, I’m going to challenge now’.”
Djokovic said: “I served, he played another shot, is that OK? As Djokovic argued with the umpire, Zverev stuck his nose in, saying: “I didn’t know about the challenge, that’s why I came to him and asked,” to which an increasingly angry Serb said: “But then you [should] stop after the serve?
Djokovic did not get the break back and went on to lose the opening set, but he broke at 5-4 in the second to level the match, shifting the momentum in his favour after a tightly contested battle.
“I was trying to be aggressive and come to the net, and change up the pace, not giving the same pattern,” Djokovic said.

