The U.S. Open men's and women's singles competitions kicked off Sunday at the USTA Billie Jean King National Tennis Center in New York City, marking the start of the final Grand Slam of the year as Jannik Sinner and Aryna Sabalenka look to defend their titles.

The US Open broke records in 2024 by offering the largest purse in tennis history. The final Grand Slam tournament of 2025 is upping the ante this year. The 2025 US Open will be the first tennis event to reach $90 million in total player compensation,

During the opening round of the US Open in New York on Sunday night, Daniil Medvedev lost his cool following an incident with a photographer.

US Open champion Daniil Medvedev loses his cool after a cameraman's interference, ending his Flushing Meadows campaign after a loss

Daniil Medvedev’s match was delayed more than six minutes between points Sunday night, after a photographer entered the court on match point and the 2021 U.S. Open champion became enraged by the chair umpire’s decision to award his opponent a first serve.

Novak Djokovic improved to 19-0 in the first round of the U.S. Open, battling through some leg troubles to beat Learner Tien 6-1, 7-6 (3), 6-2 on Sunday night.

Novak Djokovic’s first match at the US Open was a bit of a litmus test for the Serbian legend because he didn’t play a hardcourt warm-up tournament coming into the year’s final Grand Slam. The 24-time Grand Slam champion said he didn’t play the Cincinnati Open because he prefers to focus on the Grand Slams at this stage of his career.

Novak Djokovic fears his lack of physical conditioning may come back to haunt him as he chases a record 25th Grand Slam singles title at the US Open.