Novak Djokovic was visibly upset during the fifth set of his first-round defeat to Mariano Navone. AFPShow caption: Novak Djokovic was visibly upset during the fifth set of his…Former world No 1 required a medical timeout before the start of fifth set before succumbing 7-6, 5-7, 4-6, 6-2, 6-1 to Mariano NavoneThe NationalAugust 31, 2026

Novak Djokovic lost in the first round of the US Open for the first time in 20 years, falling to Mariano Navone in five sets.

The match lasted four hours and 35 minutes, making it the longest first-round Grand Slam match of Djokovic's career.

The 39-year-old suffered a medical timeout before the fifth set, repeatedly vomiting and struggling to regulate his body temperature in hot and humid conditions.

The Arthur Ashe Stadium crowd gave Djokovic a standing ovation as he left the court, acknowledging his resilience throughout the gruelling contest.