It happened on Sunday morning, at the Billie Jean King International Tennis Center, also known as the site of the US Open. On Court 11, David was in the middle of a doubles practice session together with Edu Schwank when he suddenly stopped because of a sharp pain he felt in his side. Thinking that it might have been a spasm of some sort, it was decided to wait until the next day, hoping that the problem would disappear until then.
On Sunday afternoon, David gave the interview to Clarin (that I posted on Monday). During it, he was asked how he was, ahead of the US Open and the double duty of playing singles and doubles that was awaiting him. David's reply: "I'm fine, physically with some minimal discomfort, so yeah, good." And at that moment he probably still believed, or at least hoped, that it was really just something minimal and that he'd be okay again the next day.
On Monday, however, he had to realise that there was no improvement. And it must've been during that day that the decision to withdraw was taken together with his team, which in this case means his physio Mariano Seara. Perhaps the first one to learn about it was Edu, as David told him that wasn't going to play the doubles, saying that it was "tough for him". Though it was also tough for Edu - who had travelled to New York for nothing.
On Tuesday, around noon, the Argentine journalists in New York knew that David was going to pull out of the US Open. But it wasn't until the early evening that David showed up on site for the required medical check and doping test (that apparently every player has to take, who retires without playing) and to officially inform the tournament organisers of his withdrawal. He didn't talk to any of the journalists on site.
Today, David already arrived back in Argentina and the medical examinations confirmed that the sharp pain his side was not just a distension but a tear in his left abdominal oblique muscle. With an estimated recovery time of 3 weeks. Rehabilitation also started today with the first exercises under the supervision of David's trusted kinesiologist and friend Diego Rodriguez. While the doctor in charge is Miguel Khoury, who has treated David before and is the physician of the Davis Cup team.
Theoretically, David won't be able to make it until the Davis Cup semifinal, which starts in around 2 weeks. Practically, he'll try anyway.
The Argentine news agency DyN quotes a source close to David:
The injury is very complex. From a medical point of view he's almost out of the tie.- He'll try anyway...
But from a medical point of view he shouldn't have played against Romania, and he did. And he also shouldn't have travelled to Sweden, and he played.