Novak Djokovic experienced his earliest exit at the US Open in 18 years on Friday, falling in the third round to Alexei Popyrin in four sets. The 37-year-old Djokovic, a four-time champion in New York, was defeated 6-4, 6-4, 2-6, 6-4 by the 28th-ranked Australian. This loss leaves Djokovic once again falling short in his pursuit of a record 25th Grand Slam title, raising further questions about his future in the sport.
