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?

Tennis bad boy Daniil Medvedev threw his latest tantrum at the U.S. Open in New York City on Sunday, August 24 — and even his biggest fan, wife Daria Medvedeva, has had enough. After a photographer inadvertently interrupted match point during the Russian player’s first-round match against France’s Benajamin Bonzi,