Novak Djokovic’s pursuit of a record-extending 25th Grand Slam title suffered a stunning setback on the opening weekend of the US Open 2026, as the Serbian great was beaten in a five-set marathon by Argentina’s Mariano Navone. The result marked the first time in his storied career that Djokovic has lost in the opening round at Flushing Meadows, and it is his earliest exit from any Grand Slam since the 2006 Australian Open.
The defeat is being described by American and British outlets alike as one of the biggest shocks of the tennis season, given Djokovic’s extraordinary record at majors and his status as the most successful men’s singles player in Grand Slam history. For a tournament that many expected to be shaped by the usual mix of Carlos Alcaraz, Jannik Sinner, and a handful of resurgent contenders, Djokovic’s early departure has instantly reshaped the conversation around the men’s draw.
This US Open 2026 upset matters far beyond one scoreline. It raises fresh questions about the 39-year-old’s health, his motivation heading into 2027, and whether his wait for a 25th major title will now stretch even longer. Here is everything that happened, and what it means going forward.
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What Happened?
Djokovic, the No. 4 seed and a four-time US Open champion, faced world No. 49 Mariano Navone in the first round at Arthur Ashe Stadium on Sunday night. The match stretched to four hours and 36 minutes, becoming the longest opening-round match of Djokovic’s Grand Slam career, before Navone completed a 7-6 (5), 5-7, 4-6, 6-2, 6-1 victory.
Djokovic had never previously lost before the third round at the US Open, and his exit ended the longest streak of opening-round wins in Grand Slam history for either the men’s or women’s tour, a run that had stood at 78 consecutive first-round victories.
Match Overview and Key Moments
According to reports from courtside, Djokovic looked laboured for much of the contest, visibly battling what appeared to be illness as well as physical discomfort. He took the second set with a rare show of emotion, cupping his ear to the crowd, and fought back to edge the third set as well, briefly suggesting a trademark Djokovic comeback was under way.
But the turning point came in the fourth set. Djokovic mishit a shot wide, landed awkwardly, and dropped his racket, appearing to concede the set from that point on. Between the fourth and fifth sets, he received a medical timeout, during which his lower back was massaged and he was given medication by a tournament doctor. Reports also described him needing to fight through nausea over the course of the match. By the deciding set, the usual late-match resilience that has defined Djokovic’s career simply was not there, and Navone closed out the biggest win of his life.
Djokovic’s wife, Jelena, was seen watching anxiously from the stands throughout the closing stages.
Player Performance
For a player who has built his legend on outlasting opponents physically in the latter stages of five-set matches, this was a rare and jarring reversal. Djokovic has long been considered the fittest and most durable competitor of his generation, but on this occasion it was the younger man who finished stronger.
Navone, 25, was playing in just his second US Open appearance and entered the tournament having won his first ATP singles title earlier this year. Speaking afterwards, he called the experience of playing Djokovic under the lights a “dream come true,” reflecting on the challenge of facing a player he grew up idolising. It is by a wide margin the most significant win of the young Argentine’s career, and he advances to the second round.
What This Means Going Forward
The defeat extends a difficult recent stretch for Djokovic, who was also beaten in the first round of the Cincinnati hardcourt tuneup event last month. That earlier loss came in his first match back since a semi-final defeat to Jannik Sinner at Wimbledon.
Sunday’s result means Djokovic has now gone 12 consecutive Grand Slam events without lifting a trophy, matching the longest such drought of his career, a stretch that previously ran from 2005 to 2007 early in his development as a player. His chase for a 25th major, and the outright record that would come with it, will now continue into 2027 at the earliest, assuming he chooses to keep competing at that level.
Djokovic did not hold a full press conference after the match, instead speaking briefly to a small group of reporters outside the locker room. According to those present, he admitted it was an “awful feeling” to be out on court in that condition, though the exact nature and severity of his illness has not been officially confirmed.
Expert Analysis
Tennis commentators covering the match were quick to note the symbolism of the result. Djokovic’s dominance of the sport has, for two decades, been built partly on his ability to grind out five-set wins that lesser competitors could not survive physically. Sunday’s match inverted that script entirely, with Navone the fresher man deep into the fifth set.
Whether this was a one-off, illness-driven anomaly or an early signal of decline at age 39 will likely dominate discussion in tennis circles in the coming weeks. What is not in doubt is that the result immediately reshapes the bottom half of the men’s draw, removing one of the tournament’s most experienced operators far earlier than anyone anticipated.
Upcoming Fixtures
With Djokovic out of the tournament, attention turns to the remainder of the men’s draw, where top seed Alexander Zverev, alongside contenders such as Carlos Alcaraz, Jannik Sinner, and Taylor Fritz, continue their campaigns as the tournament progresses toward the second week at Flushing Meadows. Navone, meanwhile, moves on to face fresh opposition in round two, carrying the momentum of the biggest victory of his career.
FAQ Section
Q: Who beat Novak Djokovic at the US Open 2026?
A: Argentina’s Mariano Navone, ranked world No. 49, defeated Djokovic 7-6 (5), 5-7, 4-6, 6-2, 6-1 in the first round.
Q: Had Djokovic ever lost in the first round of the US Open before?
A: No. This was the first time in his career that Djokovic had lost before the third round at the US Open.
Q: When was the last time Djokovic lost in the first round of any Grand Slam?
A: Not since the 2006 Australian Open, roughly two decades before this defeat.
Q: Was Djokovic injured or unwell during the match?
A: Reports indicate he appeared to be battling illness and physical discomfort, including a medical timeout between the fourth and fifth sets, though the exact diagnosis has not been officially confirmed by his team.
Q: How many Grand Slam titles is Djokovic chasing?
A: A 25th major title, which would extend his own all-time record in men’s tennis.
