Djokovic exits US Open in first round, breaks down in tears against Navone

Novak Djokovic suffered a first-round exit at the US Open, losing to Mariano Navone in a gruelling five-set match that lasted over four and a half hours. The 39-year-old was visibly hampered by physical problems, including cramps and back pain, throughout the contest. Djokovic also committed 70 unforced errors, underlining his struggles on the court. The defeat left him visibly emotional, with tears reflecting his frustration during the match. The loss raises fresh questions about his future prospects at Grand Slam tournaments.