France’s Benjamin Bonzi upset No. 13 Daniil Medvedev of Russia in the final match of Sunday's first-round play at the US Open.

Controversy arose early in the US Open, as Daniil Medvedev's first-round loss against Benjamin Bonzi featured a moment that raised eyebrows at Louis Armstrong Stadium.

Carlos Alcaraz has showed up at the U.S. Open for his first-round match with a shaved head. Alcaraz, who is seeded No. 2 at Flushing Meadows, caused a bit of a buzz with his buzz cut when he got to the tournament grounds before beating Reilly Opelka in straight sets at Arthur Ashe Stadium on Monday.

There is nothing Carlos Alcaraz can do to make himself look bad. He has proven capable of making any style work on or off the court. Alcaraz is known for being the more lighthearted and playful player compared to the buttoned-up Jannik Sinner, against whom he is constantly compared.

Carlos Alcaraz showed up at the U.S. Open on Monday for his first-round match with a new look: a shaved head. Alcaraz, who is seeded No. 2 at Flushing Meadows, caused a bit of a buzz with his buzz cut when he got to the tournament grounds before facing Reilly Opelka in Arthur Ashe Stadium.

Petra Kvitova looked to her right as she sat down in the U.S. Open's main interview room for her final postmatch news conference as a professional tennis player Monday, and the two-time Wimbledon champion saw what she was hoping for.

Petra Kvitova looked to her right as she sat down in the U.S. Open’s main interview room for her final post-match news conference as a professional tennis player, and the two-time Wimbledon champion saw what she was hoping for.

Two-time Wimbledon champion Petra Kvitova, 35, retired from professional tennis following an opening round loss at the US Open on Monday.

For Alex Eala, the 20-year-old Filipina tennis prodigy, the latest page turned on the grand stage of Flushing Meadows -- where she became the first player from the Philippines to ever win a singles match in a Grand Slam main draw.

Alexandra Eala of the Philippines upset 14th seeded Clara Tauson on Day 1 of the US Open to make history for Philippines tennis players

Alexandra Eala produced a jaw-dropping late comeback to carve out a piece of tennis history at the US Open on Sunday, becoming the first player from the Philippines to win a Grand Slam singles match with a first round upset of Danish 14th seed Clara Tauson.