The Athletic has live coverage of Day 2 of the 2025 U.S. Open. NEW YORK — Who is Daniil Medvedev? Is he a quirky character, who sometimes sails close to the wind while being good news for his sport? Or does his evident relish for being a provocateur cross the line of what’s acceptable on a tennis court?

Russian tennis star Daniil Medvedev created a chaotic situation in a U.S. Open match against France's Benjamin Bonzi on Sunday night in New York.

Even at age 45, even after two years away from Grand Slam tennis, Venus Williams displayed some big serves and powerful groundstrokes at the U.S. Open on Monday night in front of a supportive crowd at Arthur Ashe Stadium,

The elder Williams was off the tennis tour for 16 months until making a comeback at a tournament in Washington last month, where she won one match each in singles and doubles. She hadn't competed anywhere since the Miami Open in March 2024, and had surgery for uterine fibroids later last year.