Botic van de Zandschulp broke Alex de Minaur five times to put the No. 6 seed out of the US Open 6-4, 7-5, 6-2. The Dutchman is 30, ranked 70th, and has never won an ATP title.
Gael Monfils beat Adolfo Daniel Vallejo 2-6, 6-1, 6-2, 6-0 on his 40th birthday, opening his 18th and final US Open in front of a full Louis Armstrong Stadium.
Alexander Zverev was two points from losing to Lorenzo Sonego in the US Open first round before coming through 6-4, 3-6, 6-7(7), 7-5, 6-4 in four hours and 53 minutes.
Alexandra Eala beat Oleksandra Oliynykova 6-1, 6-4 in just over an hour to reach the US Open third round for the first time, avenging a Strasbourg loss in May.
A profile of Taylor Townsend: junior world No. 1, three-time Grand Slam doubles champion, and a left-hander whose net game runs against everything modern tennis teaches.
Maja Chwalinska arrived at the US Open seeded 20th with one win since the Roland Garros final. Taylor Townsend beat the Pole 6-2, 6-3 in the first round.
Venus Williams lost her US Open first round to Sofia Kenin at 2:01 a.m. after a 12:13 a.m. start, the latest in tournament history. A rule existed to stop it.
Elena Rybakina says she is practising again after the ankle injury that ended her Cincinnati quarterfinal, and she does not play her US Open opener until later in the first round.
Men's singles at the four majors is the last best-of-five format left in professional tennis. How it works, where it came from, why women do not play it, and what five sets does to a match.
Elena Rybakina says she is practising again after the ankle injury that ended her Cincinnati quarterfinal, and she does not play her US Open opener until later in the first round.
A medical timeout gives a player three minutes of treatment for a diagnosed condition. Cramping does not qualify, and general fatigue gets nothing at all.
Djokovic's first-round loss removes the No. 4 seed from the section every preview called the deepest in the draw. What it changes, and what it does not.