Novak Djokovic experienced a tough start at the US Open, losing in the opening round for the first time. His match against Mariano Navone ended in a 5-set defeat. Djokovic struggled with physical and internal ailments throughout the match, compounding his difficulties with a series of mistakes.

Despite his efforts, Djokovic was unable to overcome these challenges and ultimately fell to Navone. The details of the match highlight the difficulties Djokovic faced in his attempt to beat his opponent. Further information about the match is available, providing a more detailed look at Djokovic's loss and his struggles during the US Open.