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Also in this week’s mailbag: is John Isner’s serve the most dangerous weapon in tennis history?

Discussing the last major of the year, Iga Świątek’s gamesmanship and the uncertain fate of Peng Shuai in this week’s mailbag.

Recapping a memorable fortnight, including the late-night epics, Serena’s sendoff and two youngsters proving themselves as world no. 1s.

Electronic line judging has replaced humans at the U.S. Open. But the voices making calls are real people, recorded with varying levels of urgency to sell the call, depending on how close the shot is.

The Spanish teenager’s quarter-final ended at 2.50am on Thursday. Does the timetable at Flushing Meadows need to change?

Noah Rubin and Marcos Giron have both played in the main draw of every major, but breaking even as tennis professionals hasn’t been a given for either. They’re not alone.

The US Open is the only grand slam to provide different balls for men and women

The use of different tennis balls for men’s and women’s matches in New York has sparked a debate about inequality

The US Open will host a tournament-long campaign to raise awareness and humanitarian aid for Ukraine, the United States Tennis Association (USTA) said on Wednesday, with a goal of raising $2 million in relief. The effort will kick off August 24 with an exhibition event at Louis Armstrong Stadium in…

In Jon Wertheim’s latest mailbag, he looks at the sporting craze sweeping the nation and discusses whether Novak Djokovic could play the U.S. Open by...driving to New York?

In Jon Wertheim’s latest mailbag, he looks at the recent changes in Naomi Osaka’s camp, ranks the majors by prestige and explores ways to tweak the Laver Cup.