Novak Djokovic failed to add a single Grand Slam title this year as the defending champion crashed out of the US Open in the third round on Friday. The world No. 2 had won three Slams last year.
Alexei Popyrin, an Australian 28 seed, stunned the tennis world by defeating Novak Djokovic, the second seed. The 24-year-old Popyrin secured a 6-4, 6-4, 2-6, 6-4 victory, reaching the round of 16 at a major tournament for the first time in his career.
