Emma Raducanu’s fitness was called into question after she broke down during a practice session at Flushing Meadows on Friday.
The Brit was comforted consoled by coach Dmitry Tursunov as she appeared to suffer problem with her right hand.
Raducanu then told reporters she had a couple of blisters which had given her pain.
“I think that today, the practice, I had, like, a few small things, got a couple of blisters, a bit of a niggle here and there,” Raducanu said.
“It’s just one of those weird days where you feel a bit like nothing… I don’t know. You just feel a bit out of it.
“Can’t really explain myself, to be honest. I’m sure everyone in this room has probably had a day like that. It is what it is.”
Raducanu has had repeated problems with blisters this year.
Aryna Sabalenka began her quest for a third straight title at the US Open as…
Carlos Alcaraz ended a four-and-a-half month injury exile with a resounding 6-4, 6-4, 6-4 defeat…
Williams has lost her last 15 matches as a wild card, with her last victory dating…
Novak Djokovic hit the wall as the 24-time Grand Slam winner vomited at the back…
Third seed Jessica Pegula got up and running on Sunday's opening day at the US…
Former finalist Casper Ruud made a last-minute pull out on Sunday as the US Open began,…