Updated: Sept. 12, 2021 at 9:13 PM

Highlights from the U.S. Open tennis tournament (59 images)

The U.S. Open tennis tournament opened with first rounds in Arthur Ashe Stadium at the USTA Billie Jean King National Tennis Center in Flushing, N.Y., on August 31, 2021. Here's a look at some highlights.

Daniil Medvedev of Russia holds the trophy after his win over Novak Djokavic of Serbia in the Men's Final at the 2021 U.S. Open Tennis Championships at the Billie Jean King National Tennis Center on September 12, 2021, in Forest Hills, N.Y. Photo by Corey Sipkin/UPI

License photo | Permalink

Medvedev his win over Djokavic. Photo by Corey Sipkin/UPI

License photo | Permalink

Daniil Medvedev of Russia returns a ball to Novak Djokavic of Serbia in the Men's Final in Arthur Ashe Stadium at the 2021 US Open Tennis Championships at the USTA Billie Jean King National Tennis Center on Sunday, September 12, 2021 in New York City. Photo by Corey Sipkin/UPI

License photo | Permalink

In anger, Djokavic slams his rocket down, breaking it, in the second set. Photo by Corey Sipkin/UPI

License photo | Permalink