Djokovic's US Open bid ends in first-round upset to Navone

Djokovic's participation at the US Open proved brief, with the legendary competitor unable to progress beyond the first round after facing Navone on Monday. The loss represents a disappointing conclusion to the Serbian's latest attempt to capture his 25th major championship title, which would have extended his record in men's tennis.

The defeat comes as Djokovic continues to navigate ongoing physical challenges that have affected his performance on the court. At 39 years old, the 24-time Grand Slam champion has faced mounting difficulties in maintaining the form that defined his career dominance across three decades of professional tennis.

The loss in New York leaves Djokovic's path toward further major championships increasingly uncertain. The Argentine Navone's victory underscores the competitive challenges facing even the sport's greatest veterans as younger players continue to rise through the professional ranks.