Rafael Nadal has withdrawn from the Canadian Open with an ongoing foot injury, less than three weeks before the US Open begins.
The 35-year-old pulled out of Wimbledon and the Olympic Games, saying he wanted to rest after the clay-court season.
Nadal played in Washington on 5 and 6 August, but now says he will return to Mallorca to try and "be better again".
"I've had this issue for a couple of months. It is not a happy situation," the four-time US Open champion said.
"The most important thing is to enjoy playing tennis. With this pain, I'm not able to enjoy [playing].