Alexei Popyrin stuns Novak Djokovic in 3rd round at U.S. Open

(Photo credit: Robert Deutsch-USA TODAY Sports)
The U.S. Open men's singles field was blown open on Friday when Alexei Popyrin upset defending champion Novak Djokovic 6-4, 6-4, 2-6, 6-4 in third-round action at New York.

The victory for Popyrin, a 25-year-old Australian who is seeded 28th, comes one day after U.S. Open favorite Carlos Alcarazlost in the second round.

Djokovic, a 37-year-old Serbian who was seeded second