Novak Djokovic Protests Controversial LED Board Ruling During China Open Match

The incident occurred with Zverev serving at 1-0, 30-15 in the opening set, after he hit a forehand out following Djokovic’s return.
One report gave a conflicting account of the replay: it said the LED boards changed before the point, rather than during it, although officials still ordered the point replayed.
Djokovic also warned that the rule could let a player complete a long rally, lose the point, and then ask for a review; he used the example of a 30-shot rally.
Later in the match, Djokovic received a code violation for taking too long to serve.
Novak Djokovic defeated Alexander Zverev at the China Open quarter-finals but protested a controversial ruling that replayed a point after an LED board changed during Zverev's service motion. TNT Sports reported that Djokovic criticized the decision, calling the underlying rule change one of the "stupidest" he'd ever encountered. The Serbian star argued the rule could allow players to complete long rallies, lose points, and then request reviews — a system he called fundamentally broken.
The controversy erupted with Zverev serving at 1-0, 30-15 in the opening set. Free Press Journal reported that Zverev hit a forehand out after Djokovic's return, but then raised concerns that a changing image on a side LED screen had distracted him during his service motion. The umpire ordered a video review, which confirmed the LED display had altered during the point. Despite this, Zverev had continued playing rather than stopping immediately to signal the distraction.
Djokovic contested the decision in a post-match interview, saying players should stop play at once if distracted. TNT Sports noted the champion questioned why Zverev completed the point before requesting a review. Djokovic outlined a worst-case scenario: a player could hit a 30-shot rally, lose the point, then ask for a replay simply because something changed on the scoreboard. He argued this incentivizes players to play out long points risk-free.
According to Free Press Journal, Zverev said he was unsure whether he could even request a review in the moment. Despite the replay and the controversial call, Zverev won the first set 6-4. Djokovic then forced a deciding third set, ultimately defeating the German player 4-6, 6-4, 6-3. AOL reported that Djokovic also received a code violation later for taking too long to serve, adding another layer of frustration to an already contentious match.
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